diff --git a/tmux.1 b/tmux.1
index 7f8e0ba2..bb7f5aa7 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1856,7 +1856,7 @@ In addition, the following special key names are accepted:
 .Em Escape ,
 .Em F1
 to
-.Em F20 ,
+.Em F12 ,
 .Em Home ,
 .Em IC
 (Insert),