diff --git a/man3/memset.3 b/man3/memset.3
index da8c6fda7..ffb5951c3 100644
--- a/man3/memset.3
+++ b/man3/memset.3
@@ -27,7 +27,7 @@
 .\"     Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
 .\"     386BSD man pages
 .\" Modified Sat Jul 24 18:49:23 1993 by Rik Faith (faith@cs.unc.edu)
-.TH MEMSET 3  1993-04-11 "GNU" "Linux Programmer's Manual"
+.TH MEMSET 3  2014-03-18 "GNU" "Linux Programmer's Manual"
 .SH NAME
 memset \- fill memory with a constant byte
 .SH SYNOPSIS
@@ -51,6 +51,11 @@ The
 .BR memset ()
 function returns a pointer to the memory area
 .IR s .
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR memset ()
+function is thread-safe.
 .SH CONFORMING TO
 SVr4, 4.3BSD, C89, C99, POSIX.1-2001.
 .SH SEE ALSO