diff --git a/man3/atoi.3 b/man3/atoi.3
index ad830fd8e..598650ab2 100644
--- a/man3/atoi.3
+++ b/man3/atoi.3
@@ -30,7 +30,7 @@
 .\" Modified Sat Jul 24 21:38:42 1993, Rik Faith (faith@cs.unc.edu)
 .\" Modified Sun Dec 17 18:35:06 2000, Joseph S. Myers
 .\"
-.TH ATOI 3  2012-08-03 "GNU" "Linux Programmer's Manual"
+.TH ATOI 3  2013-10-14 "GNU" "Linux Programmer's Manual"
 .SH NAME
 atoi, atol, atoll, atoq \- convert a string to an integer
 .SH SYNOPSIS
@@ -90,6 +90,18 @@ is an obsolete name for
 .BR atoll ().
 .SH RETURN VALUE
 The converted value.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR atoi (),
+.BR atol (),
+and
+.BR atoll ()
+functions are thread-safe with exceptions.
+These functions can be safely used in multithreaded applications,
+as long as
+.BR setlocale (3)
+is not called to change the locale.
 .SH CONFORMING TO
 SVr4, POSIX.1-2001, 4.3BSD, C99.
 C89 and