diff --git a/man2/sigaction.2 b/man2/sigaction.2
index 7a362c0c2..876ed7f41 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -44,7 +44,7 @@
 .\" 2010-06-11 Andi Kleen, add hwpoison signal extensions
 .\" 2010-06-11 mtk, improvements to discussion of various siginfo_t fields.
 .\"
-.TH SIGACTION 2 2013-02-12 "Linux" "Linux Programmer's Manual"
+.TH SIGACTION 2 2013-04-19 "Linux" "Linux Programmer's Manual"
 .SH NAME
 sigaction \- examine and change a signal action
 .SH SYNOPSIS
@@ -659,7 +659,9 @@ device disconnected
 .RE
 .SH RETURN VALUE
 .BR sigaction ()
-returns 0 on success and \-1 on error.
+returns 0 on success; on error, \-1 is returned, and
+.I errno
+is set to indicate the error.
 .SH ERRORS
 .TP
 .B EFAULT