diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index b741938cb93f..c8a3f0c79643 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -56,7 +56,8 @@
 .Fl a
 .Op Fl L
 .Op Fl d
-.Op Fl [gG] Ar groupname
+.Op Fl G Ar groupname
+.Op Fl g Ar groupname
 .Op Fl m
 .Op Fl u
 .Op Fl v