try harder to guess directory names that will work

svn:r4658

doc/tor-hidden-service.html

@@ -124,9 +124,15 @@ HiddenServicePort 80 www.google.com:80
 </pre>
 
 <p>You're going to want to change the HiddenServiceDir line, so it
-points to an actual directory that you have read/write access to. Fill
-in your own username in place of "username". For
-example, in Windows you might pick:</p>
+points to an actual directory that is readable/writeable by the user that
+will be running Tor. For example, if you're using the OS X Tor package,
+you might pick:</p>
+<pre>
+HiddenServiceDir /Library/Tor/var/lib/tor/hidden_service/
+HiddenServicePort 80 www.google.com:80
+</pre>
+<p>On Unix, try "/home/username/hidserv/" and fill in your own username
+in place of "username". On Windows you might pick:</p>
 <pre>
 HiddenServiceDir C:\Documents and Settings\username\Application Data\hidden_service\
 HiddenServicePort 80 www.google.com:80