diff --git a/README.md b/README.md
index dd7d8201643c081b8e525ad376a2a73f7228fbd5..64579692cd3e04d286fe66115dea0c20a537ed6a 100644
--- a/README.md
+++ b/README.md
@@ -203,6 +203,11 @@ The default fragment style is to start out invisible and fade in. This style can
 </section>
 ```
 
+### Overview mode
+
+Just press "Esc" key to toggle on and off the overview mode. While you're in this mode, you still can navigate between slides,
+as if you were at 1,000 feet above your presentation.
+
 ### Fragment events
 
 When a slide fragment is either shown or hidden reveal.js will dispatch an event.