diff --git a/Makefile b/Makefile
index f4f20e826871064806b4161abca62f4c8d9ef86c..2c1565d9eccfe95a6caea57c07638f963f2b998c 100644
--- a/Makefile
+++ b/Makefile
@@ -38,7 +38,7 @@ website:
 	make -C doc website
 
 clean_dirs = $(sourceDirectory)
-clean_extensions = fasl dfsl cfsl fasl fas lib dx32fsl lx64fsl lx32fsl o bak x86f
+clean_extensions = fasl dfsl cfsl fasl fas lib dx32fsl lx64fsl lx32fsl ufasl o bak x86f
 
 clean:
 	@for dir in $(clean_dirs); do \
diff --git a/doc/index.html b/doc/index.html
index 7bd31f071129b8d399caff234451f4870a5b343d..7f157f8a487612b2a42397aea0d81a51c1eaa830 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -29,7 +29,7 @@
         <a id="ASDF 2"></a>
         <h3>ASDF 2</h3>
         <p>We released ASDF 2 on May 31st 2010.
-          It has now been widely adopted by the CL community.
+          It has since been widely adopted by the CL community.
         </p><p>
           These implementations provide ASDF 2 in their latest release
           so you can just <tt>(require :asdf)</tt>:
@@ -39,7 +39,7 @@
 	  (proprietary) lispworks scl.
         </p><p>
           These implementations are obsolete, yet are somewhat supported by ASDF 2:
-	  (free) gcl mcl; (proprietary) cormancl genera.
+	  (free) gcl mcl; (proprietary) cormanlisp genera.
         </p>
         <a id="what_it_is"></a>
         <h3>What it is</h3>
@@ -172,7 +172,7 @@
         <a class="nav" href="http://common-lisp.net/" title="Common-Lisp.net"> <img src="http://common-lisp.net/project/cl-containers/shared/buttons/lisp-lizard.png" width="80" height="15" title="Common-Lisp.net" alt="Common-Lisp.net button" /></a>
         <p><span class="copyright"Copyright &copy; 2001-2010 Daniel Barlow and contributors</span></p>
         <p>ASDF has an <a href="http://www.opensource.org/licenses/mit-license.php">MIT style</a> license</p>
-        <div id="timestamp">Last updated 2011-04-06</div>
+        <div id="timestamp">Last updated 2011-05-08</div>
     </div>
   </body>
 </html>