diff --git a/doc/foot.1.scd b/doc/foot.1.scd
index 172704aa..05cbcbbe 100644
--- a/doc/foot.1.scd
+++ b/doc/foot.1.scd
@@ -122,6 +122,8 @@ available:
 *middle*
 	Paste from the _primary_ selection
 
+*wheel*
+	Scroll up/down in history
 
 # FONT FORMAT