diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index 11c134634f..9ae720862c 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -16,7 +16,7 @@
   </b></big>
   <p><small>by</small></p>
   <p>Gregory Nutt</p>
-  <p><small>Last Update: January 6, 2006</small></p>
+  <p><small>Last Update: January 10, 2008</small></p>
 </center>
 
 <center><h1>Table of Contents</h1></center>
@@ -518,7 +518,7 @@
     <ul>
       <li>Tools: CC, LD, AR, NM, OBJCOPY, OBJDUMP</li>
       <li>Tool options: CFLAGS, LDFLAGS</li>
-      <li>COMPILE, ASSEMBLE, ARCHIVE, and MKDEP macros</li>
+      <li>COMPILE, ASSEMBLE, ARCHIVE, CLEAN, and MKDEP macros</li>
     </ul>
     <p>
       When this makefile fragment runs, it will be passed TOPDIR which