diff --git a/man5/group.5 b/man5/group.5
index d9a8c41fe..86dc1de24 100644
--- a/man5/group.5
+++ b/man5/group.5
@@ -61,6 +61,7 @@ up-to-date.
 .SH SEE ALSO
 .BR chgrp (1),
 .BR gpasswd (1),
+.BR groups (1),
 .BR login (1),
 .BR newgrp (1),
 .BR sg (1),