mention that there are known bugs for running tor as a server on win32

svn:r3231

doc/tor-doc.html

@@ -239,9 +239,10 @@ having even low-bandwidth servers is useful too.</li>
 
 <p>To set up a Tor server, do the following steps after installing Tor.
 (These instructions are Unix-centric; if you're excited about working
-with the Tor developers to get a Tor server working on Windows, let us know
-and we'll
-work with you to fix whatever bugs come up.)
+with the Tor developers to get a Tor server working on Windows, let us
+know and we'll work with you to fix whatever bugs come up -- currently
+there are some known bugs that keep Tor from working as a server on
+native Win32.)
 </p>
 
 <ul>