--- Libc/Libc-320/string/FreeBSD/strerror.3
+++ Libc/Libc-583/string/FreeBSD/strerror.3
@@ -34,9 +34,9 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)strerror.3	8.1 (Berkeley) 6/9/93
-.\" $FreeBSD: src/lib/libc/string/strerror.3,v 1.22 2002/12/19 10:24:52 tjr Exp $
+.\" $FreeBSD: src/lib/libc/string/strerror.3,v 1.23 2004/10/12 14:52:52 keramida Exp $
 .\"
-.Dd December 19, 2002
+.Dd October 12, 2004
 .Dt STRERROR 3
 .Os
 .Sh NAME
@@ -102,18 +102,17 @@
 .Pq Dq Li ":\ " ;
 otherwise, only the error message string is printed.
 .Pp
-If
-.Fa errnum
-is not a recognized error number,
+If the error number is not recognized, these functions return an error message
+string containing
+.Dq Li "Unknown error:\ "
+followed by the error number in decimal.
+The
 .Fn strerror
-returns an error message string containing
-.Dq Li "Unknown error:\ "
-followed by the error number in decimal, while
+and
 .Fn strerror_r
-leaves
-.Fa strerrbuf
-unchanged and returns
-.Er EINVAL .
+functions return
+.Er EINVAL
+as a warning.
 Error numbers recognized by this implementation fall in
 the range 0 <
 .Fa errnum