diff --git a/docs/examples/should_close_on_overlay_click.md b/docs/examples/should_close_on_overlay_click.md
index 92d714df..096fecb8 100644
--- a/docs/examples/should_close_on_overlay_click.md
+++ b/docs/examples/should_close_on_overlay_click.md
@@ -2,4 +2,6 @@
 
 This example shows using `shouldCloseOnOverlayClick` set to `false` so that closing by clicking on the overlay doesn't work.
 
+`shouldCloseOnOverlayClick` requires `onRequestClose` in order to close the <Modal/> because `react-modal` does not store `isOpen` in its local state.
+
 [](codepen://claydiffrient/woLzwo)