diff --git a/man3/atof.3 b/man3/atof.3
index 3ae31af26..8a9464150 100644
--- a/man3/atof.3
+++ b/man3/atof.3
@@ -67,7 +67,7 @@ T{
 T}	Thread safety	MT-Safe locale
 .TE
 .SH CONFORMING TO
-SVr4, POSIX.1-2001, 4.3BSD, C89, C99.
+POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.
 .SH SEE ALSO
 .BR atoi (3),
 .BR atol (3),