diff --git a/man2/setuid.2 b/man2/setuid.2
index 2fc8b20c5..bf9fc6ddb 100644
--- a/man2/setuid.2
+++ b/man2/setuid.2
@@ -119,7 +119,7 @@ capability) and
 .I uid
 does not match the real UID or saved set-user-ID of the calling process.
 .SH CONFORMING TO
-SVr4, POSIX.1-2001.
+POSIX.1-2001, POSIX.1-2008, SVr4.
 Not quite compatible with the 4.4BSD call, which
 sets all of the real, saved, and effective user IDs.
 .\" SVr4 documents an additional EINVAL error condition.