diff --git a/download.html b/download.html
index 7dea59c..7ca88f6 100644
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+++ b/download.html
@@ -133,8 +133,9 @@
     command line of most compilers is sufficient.</p>
 
     <p>The <a href="../libs/python/doc/index.html">Python</a>, <a href=
-    "../libs/regex/index.htm">Regex</a>, and <a href=
-    "../libs/thread/doc/index.html">Threads</a> libraries are implemented in
+    "../libs/regex/index.htm">Regex</a>, <a href=
+    "../libs/thread/doc/index.html">Threads</a> and <a href=
+    "../libs/filesystem/doc/index.htm">Filesystem</a> libraries are implemented in
     part as separate source files, and thus require compilation before use.
     See <a href="../tools/build/index.html">Building Boost Libraries</a> for
     an automatic tool to prepare such libraries. Some of the individual