Tweak slack wording

Author: taldcroft

help.html

@@ -83,9 +83,9 @@ <h1 id="getting-help-with-astropy">Getting Help with Astropy<a class="paralink"
 
 		<li> <a href="https://astropy.slack.com">Astropy Slack workspace</a> (<a
             href="http://joinslack.astropy.org">get an account</a>) - This forum is primarily
-        focused on developing and maintaining the Astropy project. However, the
-        <code>#community-help</code> channel is a good place to seek advice from the
-        Astropy community about using Astropy. </li>
+        focused on developing and maintaining the Astropy project, but the
+        <code>#community-help</code> channel is a good place for users to seek help from the
+        Astropy community. </li>
 
 		<li><a href="http://mail.python.org/mailman/listinfo/astropy">Astropy Users Email
 		List [[email protected]]</a> - Post questions or start discussions about anything related to