diff --git a/common/src/main/java/com/lukasabbe/bookshelfinspector/config/Config.java b/common/src/main/java/com/lukasabbe/bookshelfinspector/config/Config.java
index 221939b..0e5ae66 100644
--- a/common/src/main/java/com/lukasabbe/bookshelfinspector/config/Config.java
+++ b/common/src/main/java/com/lukasabbe/bookshelfinspector/config/Config.java
@@ -16,12 +16,21 @@ import java.util.Map;
  * Config class, defines config values.
  */
 public class Config {
+    /**
+     * If lectern's inspection is turned on!
+     */
     public boolean lecternToggle = true;
+    /**
+     * In game size for text
+     */
     public int scale = 10;
+    /**
+     * If enchantments should use roman numerals or normal numbers
+     */
     public boolean useRoman = false;
 
     /**
-     * Loads the config file in to mod
+     * Loads the config into memory
      */
     public void loadConfig(){
         Path configPath = Services.PLATFORM.getConfigPath("bookshelfinspector-config.yml");
diff --git a/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookData.java b/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookData.java
index aedb2e0..b91c9da 100644
--- a/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookData.java
+++ b/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookData.java
@@ -7,8 +7,17 @@ import net.minecraft.world.item.ItemStack;
  * Data for a slot in a chiseled bookshelf
  */
 public class BookData {
+    /**
+     * Item in that slot
+     */
     public ItemStack itemStack;
+    /**
+     * Block position for bookshelf
+     */
     public BlockPos pos;
+    /**
+     * Slot were the item is located in
+     */
     public int slotId;
 
     /**
diff --git a/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookShelfData.java b/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookShelfData.java
index 61123dd..ef92a9f 100644
--- a/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookShelfData.java
+++ b/common/src/main/java/com/lukasabbe/bookshelfinspector/data/BookShelfData.java
@@ -3,11 +3,23 @@ package com.lukasabbe.bookshelfinspector.data;
 import net.minecraft.core.BlockPos;
 
 /**
- * Data for bookshelf
+ * Data for mod
  */
 public class BookShelfData {
+    /**
+     * If mod should display text on the screen.
+     */
     public boolean isCurrentBookDataToggled = false;
+    /**
+     * latest position of bookshelf, used for reducing requests to server
+     */
     public BlockPos latestPos = null;
+    /**
+     * If a request has been sent, used to limit request to one at a time.
+     */
     public boolean requestSent = false;
+    /**
+     * Last spot in bookshelf, used to limit requests.
+     */
     public int currentSlotInt = -1;
 }
diff --git a/common/src/main/java/com/lukasabbe/bookshelfinspector/data/Tags.java b/common/src/main/java/com/lukasabbe/bookshelfinspector/data/Tags.java
index 381303d..d04e23c 100644
--- a/common/src/main/java/com/lukasabbe/bookshelfinspector/data/Tags.java
+++ b/common/src/main/java/com/lukasabbe/bookshelfinspector/data/Tags.java
@@ -9,6 +9,12 @@ import net.minecraft.world.level.block.Block;
  * Tags for blocks used in the mod
  */
 public class Tags {
+    /**
+     * Tag for chiseled bookshelves using the common tag, so inspection can work for modded bookshelf's
+     */
     public static final TagKey<Block> CHISELED_BOOKSHELVES = TagKey.create(Registries.BLOCK, ResourceLocation.fromNamespaceAndPath("c", "chiseled_bookshelves"));
+    /**
+     * Tag for lecterns using the common tag, so inspection can work for modded lectern's
+     */
     public static final TagKey<Block> LECTERNS = TagKey.create(Registries.BLOCK, ResourceLocation.fromNamespaceAndPath("c", "lectern"));
 }
diff --git a/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/BookshelfMixin.java b/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/BookshelfMixin.java
index 65b5fcd..15415ea 100644
--- a/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/BookshelfMixin.java
+++ b/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/BookshelfMixin.java
@@ -1,6 +1,5 @@
 package com.lukasabbe.bookshelfinspector.mixin;
 
-import com.lukasabbe.bookshelfinspector.Constants;
 import com.lukasabbe.bookshelfinspector.renderer.Inspector;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.player.LocalPlayer;
diff --git a/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/InGameHudMixin.java b/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/InGameHudMixin.java
index ebf8a57..1fabb7d 100644
--- a/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/InGameHudMixin.java
+++ b/common/src/main/java/com/lukasabbe/bookshelfinspector/mixin/InGameHudMixin.java
@@ -1,6 +1,5 @@
 package com.lukasabbe.bookshelfinspector.mixin;
 
-import com.lukasabbe.bookshelfinspector.Constants;
 import com.lukasabbe.bookshelfinspector.renderer.HudRenderer;
 import net.minecraft.client.DeltaTracker;
 import net.minecraft.client.Minecraft;