diff --git a/man2/seteuid.2 b/man2/seteuid.2
index 49596f122..ec52ae47f 100644
--- a/man2/seteuid.2
+++ b/man2/seteuid.2
@@ -83,20 +83,23 @@ it is a grave security error to omit checking for a failure return from
 The target user or group ID is not valid in this user namespace.
 .TP
 .B EPERM
-The calling process is not privileged (Linux: does not have the
-.B CAP_SETUID
-capability in the case of
-.BR seteuid (),
-or the
-.B CAP_SETGID
-capability in the case of
-.BR setegid ())
-and
+In the case of
+.BR seteuid ():
+the calling process is not privileged (does not have the
+.BR CAP_SETUID
+capability in its user namespace) and
 .I euid
-(respectively,
-.IR egid )
-is not the real user (group) ID, the effective user (group) ID,
-or the saved set-user-ID (saved set-group-ID).
+does not match the current real user ID, current effective user ID,
+or current saved set-user-ID.
+
+In the case of
+.BR setegid ():
+the calling process is not privileged (does not have the
+.BR CAP_SETGID
+capability in its user namespace) and
+.I egid
+does not match the current real group ID, current effective group ID,
+or current saved set-group-ID.
 .SH CONFORMING TO
 POSIX.1-2001, POSIX.1-2008, 4.3BSD.
 .SH NOTES