diff --git a/usr.bin/id/groups.1 b/usr.bin/id/groups.1
index 3ecc27a3e47b..054efc86d5d9 100644
--- a/usr.bin/id/groups.1
+++ b/usr.bin/id/groups.1
@@ -55,5 +55,11 @@ utility displays the groups to which you (or the optionally specified
 belong.
 .Sh EXIT STATUS
 .Ex -std
+.Sh EXAMPLES
+Show groups the root user belongs to:
+.Bd -literal -offset indent
+$ groups root
+wheel operator
+.Ed
 .Sh SEE ALSO
 .Xr id 1