diff --git a/src/hdskins/java/com/voxelmodpack/hdskins/ISkinCacheClearListener.java b/src/hdskins/java/com/voxelmodpack/hdskins/ISkinCacheClearListener.java
index d1a21d0f..67335bee 100644
--- a/src/hdskins/java/com/voxelmodpack/hdskins/ISkinCacheClearListener.java
+++ b/src/hdskins/java/com/voxelmodpack/hdskins/ISkinCacheClearListener.java
@@ -1,5 +1,8 @@
 package com.voxelmodpack.hdskins;
 
+/**
+ * Callback to perfom additional actions when the skin cache is cleared.
+ */
 @FunctionalInterface
 public interface ISkinCacheClearListener {
     boolean onSkinCacheCleared();
diff --git a/src/hdskins/java/com/voxelmodpack/hdskins/ISkinModifier.java b/src/hdskins/java/com/voxelmodpack/hdskins/ISkinModifier.java
index a29d1d4b..b0e0cc89 100644
--- a/src/hdskins/java/com/voxelmodpack/hdskins/ISkinModifier.java
+++ b/src/hdskins/java/com/voxelmodpack/hdskins/ISkinModifier.java
@@ -3,8 +3,16 @@ package com.voxelmodpack.hdskins;
 import java.awt.Graphics;
 import java.awt.image.BufferedImage;
 
+/**
+ * Interface for mods to convert player skins before loading.
+ */
 @FunctionalInterface
 public interface ISkinModifier {
-
+    /**
+     * Called to convert the given skin.
+     * 
+     * @param skin  The skin being converted
+     * @param dest  Graphics for drawing onto the image
+     */
     void convertSkin(BufferedImage skin, Graphics dest);
 }