diff --git a/src/main/java/lol/hyper/toolstats/ToolStats.java b/src/main/java/lol/hyper/toolstats/ToolStats.java
index c6c1990..3efed9b 100644
--- a/src/main/java/lol/hyper/toolstats/ToolStats.java
+++ b/src/main/java/lol/hyper/toolstats/ToolStats.java
@@ -152,6 +152,12 @@ public final class ToolStats extends JavaPlugin {
         }
     }
 
+    /**
+     * Checks the config to see if we want to show lore on certain items.
+     * @param itemStack The item to check.
+     * @param configName The config we are checking under.
+     * @return If we want to allow lore or not.
+     */
     public boolean checkConfig(ItemStack itemStack, String configName) {
         String itemName = itemStack.getType().toString().toLowerCase();
         String itemType = null;
@@ -202,6 +208,12 @@ public final class ToolStats extends JavaPlugin {
         return false;
     }
 
+    /**
+     * Gets the lore message from the config.
+     * @param configName The config name, "messages." is already in front.
+     * @param raw If you want the raw message with the formatting codes and placeholders.
+     * @return The lore message.
+     */
     public String getLoreFromConfig(String configName, boolean raw) {
         String lore = config.getString("messages." + configName);
         if (lore == null) {
diff --git a/src/main/java/lol/hyper/toolstats/commands/CommandToolStats.java b/src/main/java/lol/hyper/toolstats/commands/CommandToolStats.java
index bb30128..144dcbe 100644
--- a/src/main/java/lol/hyper/toolstats/commands/CommandToolStats.java
+++ b/src/main/java/lol/hyper/toolstats/commands/CommandToolStats.java
@@ -21,7 +21,6 @@ import lol.hyper.toolstats.ToolStats;
 import lol.hyper.toolstats.UUIDDataType;
 import org.bukkit.*;
 import org.bukkit.command.Command;
-import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabExecutor;
 import org.bukkit.entity.Player;
@@ -88,11 +87,16 @@ public class CommandToolStats implements TabExecutor {
         return true;
     }
 
-    private ItemStack fixItemLore(ItemStack original, Player player) {
+    /**
+     * Fixes lore on a given item. This will wipe all lore and reapply our custom ones.
+     * @param original The item we are fixing.
+     * @param player The player running the command.
+     */
+    private void fixItemLore(ItemStack original, Player player) {
         ItemStack finalItem = original.clone();
         ItemMeta finalMeta = finalItem.getItemMeta();
         if (finalMeta == null) {
-            return null;
+            return;
         }
         PersistentDataContainer container = finalMeta.getPersistentDataContainer();
         List<String> lore = new ArrayList<>();
@@ -101,10 +105,14 @@ public class CommandToolStats implements TabExecutor {
         String lootedByLore = toolStats.getLoreFromConfig("looted.found-by", false);
         String tradedByLore = toolStats.getLoreFromConfig("traded.traded-by", false);
 
+        // make sure the config messages are not null
         if (caughtByLore == null || lootedByLore == null || tradedByLore == null) {
-            return null;
+            return;
         }
 
+        // determine how the item was originally created
+        // this doesn't get saved, so we just rely on the lore
+        // if there isn't a tag, default to crafted
         String type = "DEFAULT";
         if (finalMeta.hasLore()) {
             if (finalMeta.getLore() != null) {
@@ -124,6 +132,7 @@ public class CommandToolStats implements TabExecutor {
         if (toolStats.checkConfig(original, "created-by")) {
             if (container.has(toolStats.genericOwner, new UUIDDataType())) {
                 container.set(toolStats.genericOwner, new UUIDDataType(), player.getUniqueId());
+                // show how the item was created based on the previous lore
                 switch (type) {
                     case "DEFAULT": {
                         lore.add(toolStats.getLoreFromConfig("created.created-by", true).replace("{player}", player.getName()));
@@ -148,8 +157,9 @@ public class CommandToolStats implements TabExecutor {
             if (container.has(toolStats.timeCreated, PersistentDataType.LONG)) {
                 Long time = container.get(toolStats.timeCreated, PersistentDataType.LONG);
                 if (time == null) {
-                    return null;
+                    return;
                 }
+                // show how when the item was created based on the previous lore
                 switch (type) {
                     case "DEFAULT": {
                         lore.add(toolStats.getLoreFromConfig("created.created-by", true).replace("{date}", format.format(new Date(time))));
@@ -174,7 +184,7 @@ public class CommandToolStats implements TabExecutor {
             if (container.has(toolStats.swordPlayerKills, PersistentDataType.INTEGER)) {
                 Integer kills = container.get(toolStats.swordPlayerKills, PersistentDataType.INTEGER);
                 if (kills == null) {
-                    return null;
+                    return;
                 }
                 lore.add(toolStats.getLoreFromConfig("kills.player", true).replace("{kills}", Integer.toString(kills)));
             }
@@ -183,7 +193,7 @@ public class CommandToolStats implements TabExecutor {
             if (container.has(toolStats.swordMobKills, PersistentDataType.INTEGER)) {
                 Integer kills = container.get(toolStats.swordMobKills, PersistentDataType.INTEGER);
                 if (kills == null) {
-                    return null;
+                    return;
                 }
                 lore.add(toolStats.getLoreFromConfig("kills.mob", true).replace("{kills}", Integer.toString(kills)));
             }
@@ -192,7 +202,7 @@ public class CommandToolStats implements TabExecutor {
             if (container.has(toolStats.genericMined, PersistentDataType.INTEGER)) {
                 Integer blocksMined = container.get(toolStats.genericMined, PersistentDataType.INTEGER);
                 if (blocksMined == null) {
-                    return null;
+                    return;
                 }
                 lore.add(toolStats.getLoreFromConfig("blocks-mined", true).replace("{blocks}", Integer.toString(blocksMined)));
             }
@@ -201,7 +211,7 @@ public class CommandToolStats implements TabExecutor {
             if (container.has(toolStats.fishingRodCaught, PersistentDataType.INTEGER)) {
                 Integer fish = container.get(toolStats.fishingRodCaught, PersistentDataType.INTEGER);
                 if (fish == null) {
-                    return null;
+                    return;
                 }
                 lore.add(toolStats.getLoreFromConfig("fished.fish-caught", true).replace("{fish}", Integer.toString(fish)));
             }
@@ -210,7 +220,7 @@ public class CommandToolStats implements TabExecutor {
             if (container.has(toolStats.shearsSheared, PersistentDataType.INTEGER)) {
                 Integer sheep = container.get(toolStats.shearsSheared, PersistentDataType.INTEGER);
                 if (sheep == null) {
-                    return null;
+                    return;
                 }
                 lore.add(toolStats.getLoreFromConfig("sheep-sheared", true).replace("{sheep}", Integer.toString(sheep)));
             }
@@ -219,14 +229,13 @@ public class CommandToolStats implements TabExecutor {
             if (container.has(toolStats.armorDamage, PersistentDataType.INTEGER)) {
                 Integer damage = container.get(toolStats.armorDamage, PersistentDataType.INTEGER);
                 if (damage == null) {
-                    return null;
+                    return;
                 }
                 lore.add(toolStats.getLoreFromConfig("damage-taken", true).replace("{damage}", Integer.toString(damage)));
             }
         }
         finalMeta.setLore(lore);
         finalItem.setItemMeta(finalMeta);
-        return finalItem;
     }
 
     @Nullable
diff --git a/src/main/java/lol/hyper/toolstats/events/BlocksMined.java b/src/main/java/lol/hyper/toolstats/events/BlocksMined.java
index 1864fe8..cbc4ea9 100644
--- a/src/main/java/lol/hyper/toolstats/events/BlocksMined.java
+++ b/src/main/java/lol/hyper/toolstats/events/BlocksMined.java
@@ -48,17 +48,21 @@ public class BlocksMined implements Listener {
             return;
         }
         Player player = event.getPlayer();
+        // ignore creative mode
         if (player.getGameMode() != GameMode.SURVIVAL) {
             return;
         }
+        // if the player mines something with their fist
         ItemStack heldItem = player.getInventory().getItem(player.getInventory().getHeldItemSlot());
         if (heldItem == null || heldItem.getType() == Material.AIR) {
             return;
         }
+        // only check certain items
         String itemName = heldItem.getType().toString().toLowerCase();
         if (Arrays.stream(validTools).noneMatch(itemName::contains)) {
             return;
         }
+        // if it's an item we want, update the stats
         updateBlocksMined(heldItem);
     }
 
@@ -67,6 +71,8 @@ public class BlocksMined implements Listener {
         if (meta == null) {
             return;
         }
+        // read the current stats from the item
+        // if they don't exist, then start from 0
         Integer blocksMined = 0;
         PersistentDataContainer container = meta.getPersistentDataContainer();
         if (container.has(toolStats.genericMined, PersistentDataType.INTEGER)) {
@@ -82,6 +88,11 @@ public class BlocksMined implements Listener {
         String configLore = toolStats.getLoreFromConfig("blocks-mined", false);
         String configLoreRaw = toolStats.getLoreFromConfig("blocks-mined", true);
 
+        if (configLore == null || configLoreRaw == null) {
+            toolStats.logger.warning("There is no lore message for messages.blocks-mined!");
+            return;
+        }
+
         List<String> lore;
         if (meta.hasLore()) {
             lore = meta.getLore();
@@ -89,10 +100,6 @@ public class BlocksMined implements Listener {
             boolean hasLore = false;
             // we do a for loop like this, we can keep track of index
             // this doesn't mess the lore up of existing items
-            if (configLore == null || configLoreRaw == null) {
-                toolStats.logger.warning("There is no lore message for messages.blocks-mined!");
-                return;
-            }
             for (int x = 0; x < lore.size(); x++) {
                 if (lore.get(x).contains(configLore)) {
                     hasLore = true;
@@ -109,6 +116,7 @@ public class BlocksMined implements Listener {
             lore = new ArrayList<>();
             lore.add(configLoreRaw.replace("{blocks}", Integer.toString(blocksMined)));
         }
+        // do we add the lore based on the config?
         if (toolStats.checkConfig(itemStack, "blocks-mined")) {
             meta.setLore(lore);
         }
diff --git a/src/main/java/lol/hyper/toolstats/events/ChunkPopulate.java b/src/main/java/lol/hyper/toolstats/events/ChunkPopulate.java
index ef3f2fe..2705d39 100644
--- a/src/main/java/lol/hyper/toolstats/events/ChunkPopulate.java
+++ b/src/main/java/lol/hyper/toolstats/events/ChunkPopulate.java
@@ -53,14 +53,17 @@ public class ChunkPopulate implements Listener {
         Bukkit.getScheduler().runTaskLater(toolStats, () -> {
             Chunk chunk = event.getChunk();
             for (Entity entity : chunk.getEntities()) {
+                // if there is a new item frame
                 if (entity instanceof ItemFrame) {
                     ItemFrame itemFrame = (ItemFrame) entity;
+                    // if the item frame has an elytra
                     if (itemFrame.getItem().getType() == Material.ELYTRA) {
                         ItemStack elytraCopy = itemFrame.getItem();
                         ItemMeta meta = elytraCopy.getItemMeta();
                         if (meta == null) {
                             return;
                         }
+                        // add the new tag so we know it's new
                         PersistentDataContainer container = meta.getPersistentDataContainer();
                         container.set(toolStats.newElytra, PersistentDataType.INTEGER, 1);
                         elytraCopy.setItemMeta(meta);
diff --git a/src/main/java/lol/hyper/toolstats/events/CraftItem.java b/src/main/java/lol/hyper/toolstats/events/CraftItem.java
index 9b4fa9a..623a30f 100644
--- a/src/main/java/lol/hyper/toolstats/events/CraftItem.java
+++ b/src/main/java/lol/hyper/toolstats/events/CraftItem.java
@@ -56,8 +56,10 @@ public class CraftItem implements Listener {
             return;
         }
         String name = itemStack.getType().toString().toLowerCase(Locale.ROOT);
+        // only check for items we want
         for (String x : validItems) {
             if (name.contains(x)) {
+                // if the player shift clicks, send them this warning
                 if (event.isShiftClick()) {
                     String configMessage = toolStats.config.getString("messages.shift-click-warning.crafting");
                     if (configMessage != null) {
@@ -66,24 +68,36 @@ public class CraftItem implements Listener {
                         }
                     }
                 }
+                // test the item before setting it
                 if (addLore(itemStack, player) == null) {
                     return;
                 }
+                // set the result
                 event.setCurrentItem(addLore(itemStack, player));
             }
         }
     }
 
+    /**
+     * Adds crafted tags to item.
+     * @param itemStack The item add item to.
+     * @param owner The player crafting.
+     * @return A copy of the item with the tags + lore.
+     */
     private ItemStack addLore(ItemStack itemStack, Player owner) {
+        // clone the item
         ItemStack newItem = itemStack.clone();
         ItemMeta meta = newItem.getItemMeta();
         if (meta == null) {
             return null;
         }
+        // get the current time
         long timeCreated = System.currentTimeMillis();
         Date finalDate = new Date(timeCreated);
         PersistentDataContainer container = meta.getPersistentDataContainer();
 
+        // if the item already has the tag
+        // this is to prevent duplicate tags
         if (container.has(toolStats.timeCreated, PersistentDataType.LONG) || container.has(toolStats.genericOwner, PersistentDataType.LONG)) {
             return null;
         }
@@ -104,12 +118,14 @@ public class CraftItem implements Listener {
         }
 
         List<String> lore;
+        // get the current lore the item
         if (meta.hasLore()) {
             lore = meta.getLore();
             assert lore != null;
         } else {
             lore = new ArrayList<>();
         }
+        // do we add the lore based on the config?
         if (toolStats.checkConfig(itemStack, "created-date")) {
             lore.add(createdOnRaw.replace("{date}", format.format(finalDate)));
         }
diff --git a/src/main/java/lol/hyper/toolstats/events/EntityDamage.java b/src/main/java/lol/hyper/toolstats/events/EntityDamage.java
index 203ab94..b4a9d1b 100644
--- a/src/main/java/lol/hyper/toolstats/events/EntityDamage.java
+++ b/src/main/java/lol/hyper/toolstats/events/EntityDamage.java
@@ -64,10 +64,12 @@ public class EntityDamage implements Listener {
                 if (player.getGameMode() != GameMode.SURVIVAL) {
                     return;
                 }
+                // a player killed something with their fist
                 ItemStack heldItem = player.getInventory().getItem(player.getInventory().getHeldItemSlot());
                 if (heldItem == null || heldItem.getType() == Material.AIR) {
                     return;
                 }
+                // check items we want
                 String itemName = heldItem.getType().toString().toLowerCase();
                 if (Arrays.stream(validTools).noneMatch(itemName::contains)) {
                     return;
@@ -81,9 +83,11 @@ public class EntityDamage implements Listener {
                 player.getInventory().setItem(player.getInventory().getHeldItemSlot(), updateMobKills(heldItem));
                 trackedMobs.add(livingEntity.getUniqueId());
             }
+            // trident is being thrown at something
             if (event.getDamager() instanceof Trident) {
                 Trident trident = (Trident) event.getDamager();
                 ItemStack clone;
+                // trident is killing player
                 if (livingEntity instanceof Player) {
                     clone = updatePlayerKills(trident.getItem());
                 } else {
@@ -94,14 +98,18 @@ public class EntityDamage implements Listener {
                 }
                 trident.setItem(clone);
             }
+            // arrow is being shot
             if (event.getDamager() instanceof Arrow) {
                 Arrow arrow = (Arrow) event.getDamager();
+                // if the shooter is a player
                 if (arrow.getShooter() instanceof Player) {
                     Player player = (Player) arrow.getShooter();
                     ItemStack heldItem = player.getInventory().getItem(player.getInventory().getHeldItemSlot());
                     if (heldItem == null) {
                         return;
                     }
+                    // if the player is holding the bow/crossbow
+                    // if they switch then oh well
                     if (heldItem.getType() == Material.BOW || heldItem.getType() == Material.CROSSBOW) {
                         if (livingEntity instanceof Player) {
                             player.getInventory().setItem(player.getInventory().getHeldItemSlot(), updatePlayerKills(heldItem));
@@ -130,6 +138,7 @@ public class EntityDamage implements Listener {
             return;
         }
         LivingEntity livingEntity = (LivingEntity) event.getEntity();
+        // player is taken damage but not being killed
         if (livingEntity instanceof Player) {
             Player player = (Player) livingEntity;
             PlayerInventory inventory = player.getInventory();
@@ -147,6 +156,7 @@ public class EntityDamage implements Listener {
             return;
         }
         LivingEntity livingEntity = (LivingEntity) event.getEntity();
+        // player is taken damage but not being killed
         if (livingEntity instanceof Player) {
             Player player = (Player) livingEntity;
             PlayerInventory inventory = player.getInventory();
@@ -158,6 +168,11 @@ public class EntityDamage implements Listener {
         }
     }
 
+    /**
+     * Updates a weapon's player kills.
+     * @param itemStack The item to update.
+     * @return A copy of the item.
+     */
     private ItemStack updatePlayerKills(ItemStack itemStack) {
         ItemStack finalItem = itemStack.clone();
         ItemMeta meta = finalItem.getItemMeta();
@@ -207,6 +222,7 @@ public class EntityDamage implements Listener {
             lore = new ArrayList<>();
             lore.add(playerKillsLoreRaw.replace("{kills}", Integer.toString(playerKills)));
         }
+        // do we add the lore based on the config?
         if (toolStats.checkConfig(itemStack, "player-kills")) {
             meta.setLore(lore);
         }
@@ -214,6 +230,11 @@ public class EntityDamage implements Listener {
         return finalItem;
     }
 
+    /**
+     * Updates a weapon's mob kills.
+     * @param itemStack The item to update.
+     * @return A copy of the item.
+     */
     private ItemStack updateMobKills(ItemStack itemStack) {
         ItemStack finalItem = itemStack.clone();
         ItemMeta meta = finalItem.getItemMeta();
@@ -263,6 +284,7 @@ public class EntityDamage implements Listener {
             lore = new ArrayList<>();
             lore.add(mobKillsLoreRaw.replace("{kills}", Integer.toString(mobKills)));
         }
+        // do we add the lore based on the config?
         if (toolStats.checkConfig(itemStack, "mob-kills")) {
             meta.setLore(lore);
         }
@@ -270,6 +292,11 @@ public class EntityDamage implements Listener {
         return finalItem;
     }
 
+    /**
+     * Updates a player's armor damage stats.
+     * @param itemStack The armor piece.
+     * @param damage How much damage is being added.
+     */
     private void updateArmorDamage(ItemStack itemStack, double damage) {
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {
diff --git a/src/main/java/lol/hyper/toolstats/events/EntityDeath.java b/src/main/java/lol/hyper/toolstats/events/EntityDeath.java
index e585a62..c9faae1 100644
--- a/src/main/java/lol/hyper/toolstats/events/EntityDeath.java
+++ b/src/main/java/lol/hyper/toolstats/events/EntityDeath.java
@@ -43,6 +43,7 @@ public class EntityDeath implements Listener {
             return;
         }
         UUID livingEntityUUID = event.getEntity().getUniqueId();
+        // if it's a mob we are tracking that matters
         if (toolStats.mobKill.trackedMobs.contains(livingEntityUUID)) {
             for (ItemStack current : event.getDrops()) {
                 String name = current.getType().toString().toLowerCase(Locale.ROOT);
@@ -56,6 +57,11 @@ public class EntityDeath implements Listener {
         }
     }
 
+    /**
+     * Adds "drop by" tag to item.
+     * @param itemStack The item to add lore to.
+     * @param mob The mob or player name.
+     */
     private void addLore(ItemStack itemStack, String mob) {
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {
diff --git a/src/main/java/lol/hyper/toolstats/events/GenerateLoot.java b/src/main/java/lol/hyper/toolstats/events/GenerateLoot.java
index a74598d..55b2a6f 100644
--- a/src/main/java/lol/hyper/toolstats/events/GenerateLoot.java
+++ b/src/main/java/lol/hyper/toolstats/events/GenerateLoot.java
@@ -57,10 +57,13 @@ public class GenerateLoot implements Listener {
             return;
         }
         Inventory chest = inventoryHolder.getInventory();
+        // run task later since if it runs on the same tick it breaks idk
         Bukkit.getScheduler().runTaskLater(toolStats, () -> {
             Player player = (Player) chest.getViewers().get(0);
+            // do a classic for loot so we keep track of chest index of item
             for (int i = 0; i < chest.getContents().length; i++) {
                 ItemStack itemStack = chest.getItem(i);
+                // ignore air
                 if (itemStack == null || itemStack.getType() == Material.AIR) {
                     continue;
                 }
@@ -75,6 +78,12 @@ public class GenerateLoot implements Listener {
         },1);
     }
 
+    /**
+     * Adds lore to newly generated items.
+     * @param itemStack The item to add lore to.
+     * @param owner The player that found the item.
+     * @return The item with the lore.
+     */
     private ItemStack addLore(ItemStack itemStack, Player owner) {
         ItemStack newItem = itemStack.clone();
         ItemMeta meta = itemStack.getItemMeta();
diff --git a/src/main/java/lol/hyper/toolstats/events/PickupItem.java b/src/main/java/lol/hyper/toolstats/events/PickupItem.java
index d6234dc..eda86f4 100644
--- a/src/main/java/lol/hyper/toolstats/events/PickupItem.java
+++ b/src/main/java/lol/hyper/toolstats/events/PickupItem.java
@@ -68,6 +68,11 @@ public class PickupItem implements Listener {
         }
     }
 
+    /**
+     * Adds "looted by" tags for elytras.
+     * @param itemStack The elytra to add lore to.
+     * @param owner The player who found it.
+     */
     private void addLore(ItemStack itemStack, Player owner) {
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {
diff --git a/src/main/java/lol/hyper/toolstats/events/PlayerFish.java b/src/main/java/lol/hyper/toolstats/events/PlayerFish.java
index 20787ad..d815a10 100644
--- a/src/main/java/lol/hyper/toolstats/events/PlayerFish.java
+++ b/src/main/java/lol/hyper/toolstats/events/PlayerFish.java
@@ -75,6 +75,10 @@ public class PlayerFish implements Listener {
         }
     }
 
+    /**
+     * Updates a fishing rod's count.
+     * @param itemStack The fishing rod to update.
+     */
     private void updateFishCount(ItemStack itemStack) {
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {
@@ -129,6 +133,11 @@ public class PlayerFish implements Listener {
         itemStack.setItemMeta(meta);
     }
 
+    /**
+     * Adds "caught by" tags to newly fished items.
+     * @param itemStack The item to add lore to.
+     * @param owner The player who caught the item.
+     */
     private void addNewLore(ItemStack itemStack, Player owner) {
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {
diff --git a/src/main/java/lol/hyper/toolstats/events/SheepShear.java b/src/main/java/lol/hyper/toolstats/events/SheepShear.java
index 3bd0c71..e5c48c7 100644
--- a/src/main/java/lol/hyper/toolstats/events/SheepShear.java
+++ b/src/main/java/lol/hyper/toolstats/events/SheepShear.java
@@ -51,17 +51,23 @@ public class SheepShear implements Listener {
         if (!(entity instanceof Sheep)) {
             return;
         }
+        // check if the player is right-clicking with shears only
         ItemStack heldItem = player.getInventory().getItem(player.getInventory().getHeldItemSlot());
         if (heldItem == null || heldItem.getType() == Material.AIR || heldItem.getType() != Material.SHEARS) {
             return;
         }
 
         Sheep sheep = (Sheep) entity;
+        // make sure the sheep is not sheared
         if (!sheep.isSheared()) {
             addLore(heldItem);
         }
     }
 
+    /**
+     * Adds tags to shears.
+     * @param itemStack The shears.
+     */
     private void addLore(ItemStack itemStack) {
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {
diff --git a/src/main/java/lol/hyper/toolstats/events/VillagerTrade.java b/src/main/java/lol/hyper/toolstats/events/VillagerTrade.java
index 6eec1b2..cef456f 100644
--- a/src/main/java/lol/hyper/toolstats/events/VillagerTrade.java
+++ b/src/main/java/lol/hyper/toolstats/events/VillagerTrade.java
@@ -57,11 +57,15 @@ public class VillagerTrade implements Listener {
             return;
         }
         Inventory inventory = event.getClickedInventory();
+        // only check villager inventories
         if (inventory instanceof MerchantInventory) {
+            // only check the result slot (the item you receive)
             if (event.getSlotType() == InventoryType.SlotType.RESULT) {
                 ItemStack item = event.getCurrentItem();
+                // only check items we want
                 for (String x : validItems) {
                     if (item.getType().toString().toLowerCase(Locale.ROOT).contains(x)) {
+                        // if the player shift clicks show the warning
                         if (event.isShiftClick()) {
                             String configMessage = toolStats.config.getString("messages.shift-click-warning.trading");
                             if (configMessage != null) {
@@ -72,6 +76,8 @@ public class VillagerTrade implements Listener {
                         if (newItem == null) {
                             return;
                         }
+                        // this gets delayed since villager inventories suck for no reason
+                        // if you don't delay this it doesn't work idk
                         Bukkit.getScheduler().runTaskLater(toolStats, ()-> event.setCurrentItem(newItem), 5);
                     }
                 }
@@ -79,6 +85,12 @@ public class VillagerTrade implements Listener {
         }
     }
 
+    /**
+     * Adds "traded by" tags to item.
+     * @param itemStack The item to add lore.
+     * @param owner The player who traded.
+     * @return The item with lore.
+     */
     private ItemStack addLore(ItemStack itemStack, Player owner) {
         ItemMeta meta = itemStack.getItemMeta();
         if (meta == null) {