diff --git a/docs/api-reference/source.md b/docs/api-reference/source.md
index 910549b39..e4aa9cd3d 100644
--- a/docs/api-reference/source.md
+++ b/docs/api-reference/source.md
@@ -102,14 +102,18 @@ When props change _shallowly_, the component will attempt to update the source.
 
 Once a `<Source>` is mounted, the following props should not change. If add/remove multiple JSX sources dynamically, make sure you use React's [key prop](https://reactjs.org/docs/lists-and-keys.html#keys) to give each element a stable identity.
 
-#### `id`: string {#id}
+#### `id`: string {#id}
 
 Unique identifier of the source. If not provided, a default id will be assigned.
 
-#### `type`: string {#type}
+#### `type`: string {#type}
 
 Required. Type of the source.
 
+#### `generateId`: boolean {#generateId}
+
+Optional. Will generate IDs for each feature (useful for FeatureState handling)
+
 ## Source
 
 [source.ts](https://github.com/visgl/react-map-gl/tree/7.0-release/src/components/source.ts)