diff --git a/share/man/man9/cr_bsd_visibility.9 b/share/man/man9/cr_bsd_visibility.9
--- a/share/man/man9/cr_bsd_visibility.9
+++ b/share/man/man9/cr_bsd_visibility.9
@@ -95,7 +95,7 @@
 are not member of any common group
 .Po
 as determined by
-.Xr groupmember 9
+.Xr realgroupmember 9
 .Pc .
 .It Bq Er ESRCH
 Credentials
diff --git a/share/man/man9/cr_seeothergids.9 b/share/man/man9/cr_seeothergids.9
--- a/share/man/man9/cr_seeothergids.9
+++ b/share/man/man9/cr_seeothergids.9
@@ -49,9 +49,9 @@
 is not denied seeing a subject or object associated to credentials
 .Fa u2
 by a policy that requires both credentials to have at least one group in common.
-For this determination, the effective and supplementary group IDs are used, but
-not the real group IDs, as per
-.Xr groupmember 9 .
+For this determination, the real and supplementary group IDs are used, but
+not the effective group IDs, as per
+.Xr realgroupmember 9 .
 .Pp
 This policy is active if and only if the
 .Xr sysctl 8
@@ -76,5 +76,5 @@
 otherwise.
 .Sh SEE ALSO
 .Xr cr_bsd_visibility 9 ,
-.Xr groupmember 9 ,
+.Xr realgroupmember 9 ,
 .Xr priv_check_cred 9