Update the-item-lookup-system.md

docs/all-plugins/the-item-lookup-system.md

@@ -91,7 +91,7 @@ slot: 27
 ```
 
 ## Custom Items
-Sometimes custom item IDs are namespaced. In order to make this work, you have to specify them like `itemsadder:namespace__key`, where two underscores denote where the `:` would normally go
+Sometimes custom item IDs are namespaced. In order to make this work, you have to specify them like `plugin:namespace__key`, where two underscores denote where the `:` would normally go.
 ### ItemsAdder
 ```yaml
 # ItemsAdder configuration
@@ -101,9 +101,13 @@ items:
   my_helmet:
     display_name: '&9Custom Helmet'
 ```
+ItemsAdder items are namespaced, so for example if you have an ItemsAdder item called `crystal_pack:alumite_pickaxe`, it would be `itemsadder:crystal_pack__alumite_pickaxe` in config.
+
 Using this in the Item Lookup System would look like: `itemsadder:my_items__my_helmet`.
+
 ### Oraxen
 To use custom items from Oraxen, you can use `oraxen:<id>`.
+
 ### ItemBridge
 To use custom items from ItemBridge, you can use `itembridge:saved__<id>`. If it's an item from a supported plugin, it's `itembridge:<prefix>__<id>`