diff --git a/src/main/java/refinedstorage/api/util/IItemStackList.java b/src/main/java/refinedstorage/api/util/IItemStackList.java
index dd6172ef7..9e7380623 100755
--- a/src/main/java/refinedstorage/api/util/IItemStackList.java
+++ b/src/main/java/refinedstorage/api/util/IItemStackList.java
@@ -6,24 +6,64 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import java.util.Collection;
 
+/**
+ * An item stack list.
+ */
 public interface IItemStackList {
+    /**
+     * Adds a stack to the list, will merge it with another stack if it already exists in the list.
+     *
+     * @param stack the stack
+     */
     void add(ItemStack stack);
 
+    /**
+     * Decrements the count of that stack in the list.
+     *
+     * @param stack               the stack
+     * @param removeIfReachedZero true to remove the stack if the count reaches 0, false otherwise
+     * @return whether the remove was successful
+     */
     boolean remove(@Nonnull ItemStack stack, boolean removeIfReachedZero);
 
+    /**
+     * Returns a stack.
+     *
+     * @param stack the stack to search for
+     * @param flags the flags to compare on, see {@link refinedstorage.api.storage.CompareUtils}
+     * @return the stack, or null if no stack was found
+     */
     @Nullable
     ItemStack get(@Nonnull ItemStack stack, int flags);
 
+    /**
+     * Returns a stack.
+     *
+     * @param hash the hash of the stack to search for, see {@link refinedstorage.api.network.NetworkUtils#getItemStackHashCode(ItemStack)}
+     * @return the stack, or null if no stack was found
+     */
     @Nullable
     ItemStack get(int hash);
 
+    /**
+     * Clears the list.
+     */
     void clear();
 
+    /**
+     * @return true if the list is empty, false otherwise
+     */
     boolean isEmpty();
 
+    /**
+     * @return a collection of stacks in this list
+     */
     @Nonnull
     Collection<ItemStack> getStacks();
 
+    /**
+     * @return a new copy of this list, with the stacks in it copied as well
+     */
     @Nonnull
     IItemStackList copy();
 }