diff --git a/src/main/java/net/knarcraft/knargui/AbstractGUI.java b/src/main/java/net/knarcraft/knargui/AbstractGUI.java
index 526e83e..812b3e7 100644
--- a/src/main/java/net/knarcraft/knargui/AbstractGUI.java
+++ b/src/main/java/net/knarcraft/knargui/AbstractGUI.java
@@ -47,6 +47,11 @@ public abstract class AbstractGUI {
         instantiate(inventory);
     }
 
+    /**
+     * Sets up an abstract GUI using the given inventory
+     *
+     * @param inventory <p>The inventory used for this GUI</p>
+     */
     private void instantiate(Inventory inventory) {
         this.uuid = UUID.randomUUID();
         this.inventory = inventory;
diff --git a/src/main/java/net/knarcraft/knargui/GUIRegistry.java b/src/main/java/net/knarcraft/knargui/GUIRegistry.java
index 94d8d38..623bfa5 100644
--- a/src/main/java/net/knarcraft/knargui/GUIRegistry.java
+++ b/src/main/java/net/knarcraft/knargui/GUIRegistry.java
@@ -59,7 +59,6 @@ public class GUIRegistry {
      * @param autoDelete <p>Whether to immediately delete the closed GUI</p>
      */
     public static void closeGUI(Player player, boolean autoDelete) {
-        //Run the close action if an anvil GUI is used
         AbstractGUI gui = getOpenGUI(player);
         //Un-register the player's open GUI
         openGUIs.remove(player.getUniqueId());
diff --git a/src/main/java/net/knarcraft/knargui/KnarGUI.java b/src/main/java/net/knarcraft/knargui/KnarGUI.java
index 9e66306..e319b20 100644
--- a/src/main/java/net/knarcraft/knargui/KnarGUI.java
+++ b/src/main/java/net/knarcraft/knargui/KnarGUI.java
@@ -1,5 +1,8 @@
 package net.knarcraft.knargui;
 
+/**
+ * Empty main class just in case something runs this directly
+ */
 @SuppressWarnings("unused")
 public final class KnarGUI {
 
diff --git a/src/main/java/net/knarcraft/knargui/item/GUIItemFactory.java b/src/main/java/net/knarcraft/knargui/item/GUIItemFactory.java
index e5925d1..4a8f701 100644
--- a/src/main/java/net/knarcraft/knargui/item/GUIItemFactory.java
+++ b/src/main/java/net/knarcraft/knargui/item/GUIItemFactory.java
@@ -30,4 +30,14 @@ public class GUIItemFactory extends AbstractGUIItemFactory<GUIItemFactory> {
         setChild(this);
     }
 
+    /**
+     * Instantiates a new item factory
+     *
+     * @param itemStack <p>The item stack to modify</p>
+     */
+    public GUIItemFactory(ItemStack itemStack) {
+        super(itemStack);
+        setChild(this);
+    }
+
 }