diff --git a/packages/block-editor/src/components/inserter/hooks/use-patterns-state.js b/packages/block-editor/src/components/inserter/hooks/use-patterns-state.js
index c0b8d7ff925126..5f47897f50b7a2 100644
--- a/packages/block-editor/src/components/inserter/hooks/use-patterns-state.js
+++ b/packages/block-editor/src/components/inserter/hooks/use-patterns-state.js
@@ -15,7 +15,7 @@ import { store as blockEditorStore } from '../../../store';
 const CUSTOM_CATEGORY = {
 	name: 'custom',
 	label: __( 'My patterns' ),
-	description: __( 'Custom patterns added by site users' ),
+	description: __( 'Custom patterns added by site users.' ),
 };
 
 /**