diff --git a/man3/finite.3 b/man3/finite.3
index a308fd2b6..72b864608 100644
--- a/man3/finite.3
+++ b/man3/finite.3
@@ -22,7 +22,7 @@
 .\" the source, must acknowledge the copyright and authors of this work.
 .\" %%%LICENSE_END
 .\"
-.TH FINITE 3  2008-08-05 "" "Linux Programmer's Manual"
+.TH FINITE 3  2013-07-22 "" "Linux Programmer's Manual"
 .SH NAME
 finite, finitef, finitel, isinf, isinff, isinfl, isnan, isnanf, isnanl \-
 BSD floating-point classification functions
@@ -109,6 +109,20 @@ functions return 1 if
 is positive infinity, \-1 if
 .I x
 is negative infinity, and 0 otherwise.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR finite (),
+.BR finitef (),
+.BR finitel (),
+.BR isinf (),
+.BR isinff (),
+.BR isinfl (),
+.BR isnan (),
+.BR isnanf (),
+and
+.BR isnanl ()
+functions are thread-safe.
 .SH NOTES
 Note that these functions are obsolete.
 C99 defines macros