Clarify when Communities are hidden

output/styles2.css

@@ -58,7 +58,6 @@ html.js .noscript, .hidden {
 }
 
 html:not(.js) .js-only {
-	/* Dead style */
 	display: none;
 }
 

sites/index.php

@@ -96,9 +96,15 @@
 						target="_blank"
 					>various sources</a>.
 					<br>
+					<span class="js-only">
 						We make an attempt to hide communities containing
 						objectionable or illegal content, but
 						you should still proceed with caution.
+					</span>	
+					<span class="noscript">
+						Proceed with caution when joining unofficial communities.
+						As JavaScript is disabled, no communities are filtered from the list.
+					</span>			
 			</p>
 			<p class="noscript">
 				This site works fine without JavaScript.