diff --git a/src/components/PostPicker/README.md b/src/components/PostPicker/README.md
index 5106b64..ab7ae3f 100644
--- a/src/components/PostPicker/README.md
+++ b/src/components/PostPicker/README.md
@@ -8,7 +8,7 @@ There are several `PostPicker` controls.
 
 ## `PostPickerButton`
 
-```
+```jsx
 import { PostPickerButton } from '@humanmade/block-editor-components';
 
 ...
diff --git a/src/components/PostPicker/index.js b/src/components/PostPicker/index.js
index 2d1eca0..14e0b8a 100644
--- a/src/components/PostPicker/index.js
+++ b/src/components/PostPicker/index.js
@@ -321,7 +321,7 @@ export function PostPickerModal( props ) {
 /**
  * Post picker toolbar button.
  *
- * @param props Component props.
+ * @param {object} props Props.
  * @returns {ReactNode} Component
  */
 export function PostPickerToolbarButton( props ) {