diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 4c3be01..b65bff3 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -106,7 +106,7 @@
 <li>The induction variable substitution pass performs linear function test
 replacement and exit value replacement optimizations.</li>
 <li>The <a href="BytecodeFormat.html">LLVM Bytecode file format</a> is now 
-    documented.</a></li>
+    documented.</li>
 <li>LLVM now has first-class support for <a href="GarbageCollection.html">Accurate 
 Garbage Collection</a>, enabling the use of aggressive copying and generational 
 collectors.</li>
@@ -114,6 +114,8 @@
 analysis algorithm.</li>
 <li>Bugpoint can <a href="http://llvm.cs.uiuc.edu/PR327">extract individual
 basic blocks</a> to track down reduce miscompilation testcases.</li>
+<li>LLVM and the C front-end now work under Win32 using the cygnus libraries.  
+This includes the JIT compiler.</li>
 </ol>
 
 </div>
@@ -262,11 +264,17 @@
 
 <div class="doc_text">
 
-<p>LLVM has been extensively tested on Intel and AMD machines running Red Hat
-Linux.  It has also been tested under FreeBSD, and on Sun UltraSPARC
-workstations running Solaris 8.  Additionally, LLVM works on Mac OS X 10.3 and
-above, but only with the C backend and interpreter; no native machine-code
-generator for the PowerPC is available yet.</p>
+<p>LLVM is known to work in the following platforms:</p>
+
+<ul>
+<li>Intel and AMD machines running Red Hat Linux and FreeBSD (and probably 
+    other unix-like systems).</li>
+<li>Sun UltraSPARC workstations running Solaris 8.</li>
+<li>PowerPC-based Mac OS X boxes, running 10.3 and above (C backend and 
+    interpreter only, no native codegen is available yet).</li>
+<li>Intel and AMD machines running on Win32 with the Cygwin libraries.</li>
+</ul>
+
 
 <p>The core LLVM infrastructure uses
 <a href="http://www.gnu.org/software/autoconf/">GNU autoconf</a> to adapt itself
@@ -274,6 +282,11 @@
 porting may be required to get LLVM to work on new platforms.  We welcome your
 portability patches and reports of successful builds or error messages.</p>
 
+<p>Note that the LLVM build system does not currently support directories with 
+spaces on them when running on Win32/cygwin.  We strongly recommend running
+LLVM and the C frontend out of a top-level directory without spaces (e.g., 
+<tt>/cygdrive/c/llvm</tt>).</p>
+
 </div>
 
 <!--=========================================================================-->