diff --git a/man3/pthread_cancel.3 b/man3/pthread_cancel.3
index 31893731d..07c648d47 100644
--- a/man3/pthread_cancel.3
+++ b/man3/pthread_cancel.3
@@ -136,7 +136,7 @@ T}	Thread safety	MT-Safe
 .TE
 
 .SH CONFORMING TO
-POSIX.1-2001.
+POSIX.1-2001, POSIX.1-2008.
 .SH NOTES
 On Linux, cancellation is implemented using signals.
 Under the NPTL threading implementation,