diff --git a/man2/sigaction.2 b/man2/sigaction.2
index e12d66d67..a568fbbb0 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -747,7 +747,7 @@ is made to change the action for
 .BR SIGKILL " or " SIGSTOP ", "
 which cannot be caught or ignored.
 .SH CONFORMING TO
-POSIX.1-2001, SVr4.
+POSIX.1-2001, POSIX.1-2008, SVr4.
 .\" SVr4 does not document the EINTR condition.
 .SH NOTES
 A child created via
@@ -780,7 +780,7 @@ POSIX.1-1990 disallowed setting the action for
 .B SIGCHLD
 to
 .BR SIG_IGN .
-POSIX.1-2001 allows this possibility, so that ignoring
+POSIX.1-2001 and later allow this possibility, so that ignoring
 .B SIGCHLD
 can be used to prevent the creation of zombies (see
 .BR wait (2)).