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diff --git a/man3/rint.3 b/man3/rint.3
index 8dde6bc9..8bb9ba88 100644
--- a/man3/rint.3
+++ b/man3/rint.3
@@ -24,7 +24,7 @@
.\" the source, must acknowledge the copyright and authors of this work.
.\" %%%LICENSE_END
.\"
-.TH RINT 3 2010-09-20 "" "Linux Programmer's Manual"
+.TH RINT 3 2013-08-26 "" "Linux Programmer's Manual"
.SH NAME
nearbyint, nearbyintf, nearbyintl, rint, rintf, rintl \- round
to nearest integer
@@ -113,6 +113,17 @@ itself is returned.
.SH ERRORS
No errors occur.
POSIX.1-2001 documents a range error for overflows, but see NOTES.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR nearbyint (),
+.BR nearbyintf (),
+.BR nearbyintl (),
+.BR rint (),
+.BR rintf (),
+and
+.BR rintl ()
+functions are thread-safe.
.SH CONFORMING TO
C99, POSIX.1-2001.
.SH NOTES