diff --git a/Third-Party-Development-Details.md b/Third-Party-Development-Details.md
index c63cd9b..8d21e75 100644
--- a/Third-Party-Development-Details.md
+++ b/Third-Party-Development-Details.md
@@ -15,7 +15,7 @@ Hooks.once('init', () => {
 ```
 
 ## Custom Resources
-If you want all characters to have access to a new sort of resource similar to `Hope`, then you define that resource as an additional key on the config path `CONFIG.DH.RESOURCE.character.custom`. This makes it available in the extra resource section
+If you want all characters to have access to a new sort of resource similar to `Hope`, then you define that resource as an additional key on the config path `CONFIG.DH.RESOURCE.character.custom` in the Foundry init hook. This makes it available in the extra resource section
 <img width="710" height="414" alt="image" src="https://github.com/user-attachments/assets/827e6b37-33ff-4fad-9a59-206cc67aab72" />
 
 ```js
@@ -41,7 +41,7 @@ Hooks.once('init', () => {
             empty: {
                 value: 'fa-regular fa-burger', // The font-awesome string or image filepath
                 isIcon: true, // If the value is a font-awesome string or not
-                noColorFilter: false, // If the standard system icon color should be omitted for the image
+                noColorFilter: false, // If the standard system icon color should be omitted for the image. Useful for custom images with background colors.
             },
             full: {
                 value: 'fa-solid fa-burger',
@@ -72,4 +72,17 @@ Hooks.once('init', () => {
         }
     };
 });
+```
+
+## Custom Adversary Types
+If you are adding additional adversary types to the existing list of `bruiser`, `leader` etc, then you add additional keys to the config path `CONFIG.DH.ACTOR.adversaryTypes` in the Foundry init hook.
+```js
+Hooks.once('init', () => {
+    CONFIG.DH.ACTOR.adversaryTypes.superMonster = {
+        id: 'superMonster',
+        label: 'Super Monster', // Alternatively a translation string if the module uses lang files
+        description: 'Thunderbolts and lightning, very very frightening', // Alternatively a translation string if the module uses lang files
+        bpCost: 4
+    };
+});
 ```
\ No newline at end of file