diff --git a/KEY_CONFIG.md b/KEY_CONFIG.md
index 6be1afce..9488a56e 100644
--- a/KEY_CONFIG.md
+++ b/KEY_CONFIG.md
@@ -16,6 +16,8 @@ Create a `key_bindings.ron` file like this:
     move_right: Some(( code: Char('l'), modifiers: ( bits: 0,),)),
     move_up: Some(( code: Char('k'), modifiers: ( bits: 0,),)),
     move_down: Some(( code: Char('j'), modifiers: ( bits: 0,),)),
+
+    open_help: Some(( code: F(1), modifiers: ( bits: 0,),)),
 )
 ```