diff --git a/Module-Builder-Information.md b/Module-Builder-Information.md
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@@ -1,5 +1,22 @@
 Various intended ways modules can alter the system.
 
+## Attribution Sources
+You can add attribution information to mark where your adversaries, items etc. are coming from, accessed from the tree-dot context menu on the sheet.
+This can be done via freeform typing it in, but when you have a lot of things it can be handy to define an Attribution Source to allow you to just pick your options in a dropdown.
+You would do this in the `init` hook:
+```js
+Hooks.once('init', () => {
+   CONFIG.DH.GENERAL.attributionSources.deadlyBeasts = { 
+      label: "Deadly Beasts", 
+      values: [
+         { label: "Deadly Beasts - Volume 1" }, 
+         {label: "Deadly Beasts - Volume 2"}
+      ] 
+   };
+})
+```
+<img width="837" height="958" alt="image" src="https://github.com/user-attachments/assets/890943e5-ff48-4500-b3c5-a1450cc8765b" />
+
 ## Custom Resources 
 In the `init` hook, you can register custom resources for characters. This is done by defining new key/object pairs on `CONFIG.DH.RESOURCE.character.custom`.
 The data structure is: