diff --git a/share/man/man5/group.5 b/share/man/man5/group.5
index ede3a5a82e06..4aa6affdd9fd 100644
--- a/share/man/man5/group.5
+++ b/share/man/man5/group.5
@@ -146,6 +146,7 @@ may still have this limit.
 .Xr initgroups 3 ,
 .Xr nsswitch.conf 5 ,
 .Xr passwd 5 ,
+.Xr chkgrp 8 ,
 .Xr pw 8 ,
 .Xr yp 8
 .Sh HISTORY