diff --git a/man3/pthread_attr_setschedparam.3 b/man3/pthread_attr_setschedparam.3
index 01ddfd56e..3c5c9f65d 100644
--- a/man3/pthread_attr_setschedparam.3
+++ b/man3/pthread_attr_setschedparam.3
@@ -118,7 +118,7 @@ T{
 T}	Thread safety	MT-Safe
 .TE
 .SH CONFORMING TO
-POSIX.1-2001.
+POSIX.1-2001, POSIX.1-2008.
 .SH NOTES
 See
 .BR pthread_attr_setschedpolicy (3)