comment about escaping regex properly

diff --git a/help/html/features/preferences.html b/help/html/features/preferences.html
index c173212..36646d6 100755 (executable)
--- a/help/html/features/preferences.html
+++ b/help/html/features/preferences.html
@@ -86,9 +86,12 @@ vbersion of the font to sequence labels.</p>
   <li>Each top level parenthesis will yield a URL containing the text matched within that parenthesis.
   </li>
   <li>Regions matching sub-parentheseses within a top-level parenthesis will be concatenated to form the text inserted into the URL for the top-level parenthesis.</li>
-  <em>Please Note: the regular expressions supported by Jalview are those provided by the <a href="www.javaregex.com">Stevesoft javaregex package</a>. 
+  <em>Please Note:
+  <ul><li>The regular expressions supported by Jalview are those provided by the <a href="www.javaregex.com">Stevesoft javaregex package</a>.
+  </li><li>Some characters must be escaped when specifying them as a match within a regular expression.</li></ul>  
   <br>Many Thanks to Bernd Brand of the Free University of Amsterdam for testing this new regular-expression expansion feature!
   </em>
+  <em>
   </ul>
   </p>
 <p><em>Default Browser (Unix)</em><br>