diff --git a/lib/libexpat/libbsdxml.3 b/lib/libexpat/libbsdxml.3
index 7d7b0e719099..f687518517be 100644
--- a/lib/libexpat/libbsdxml.3
+++ b/lib/libexpat/libbsdxml.3
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"/
-.Dd May 5, 2008
+.Dd December 12, 2009
 .Dt LIBBSDXML 3
 .Os
 .Sh NAME
@@ -38,6 +38,15 @@ The
 .Nm
 library is a verbatim copy of the eXpat XML library version 2.0.1.
 .Pp
+The
+.Nm
+library is intended to use within the
+.Fx
+base system only.
+Use of the
+.Nm
+library for other purposes is not supported and discouraged.
+.Pp
 To avoid version and autoconfiguration issues, the library has been
 renamed to
 .Nm