diff --git a/packages/block-editor/src/components/block-inspector/README.md b/packages/block-editor/src/components/block-inspector/README.md
index 4c2fd2a06a61bf..e6d7811ffe3a28 100644
--- a/packages/block-editor/src/components/block-inspector/README.md
+++ b/packages/block-editor/src/components/block-inspector/README.md
@@ -16,6 +16,16 @@ import { BlockInspector } from '@wordpress/block-editor';
 const MyBlockInspector = () => <BlockInspector />;
 ```
 
+### Props
+
+#### showNoBlockSelectedMessage
+
+Whether to display a "No block selected" message when no block is selected.
+
+-   Type: `boolean`
+-   Required: No
+-   Default: `true`
+
 ## Related components
 
 Block Editor components are components that can be used to compose the UI of your block editor. Thus, they can only be used under a [BlockEditorProvider](https://github.com/WordPress/gutenberg/blob/HEAD/packages/block-editor/src/components/provider/README.md) in the components tree.