Add about link

popup/config.html

@@ -104,9 +104,17 @@
 <input type="button" class="button" style="width:100px" id="add_button" value="Add new line" ></input>
 <input type="button" class="button" style="width:100px" id="save_button" value="Save"></input>
 <br>
-<br>
 </center>
-</i> * Informations on url pattern can be found <a href="https://developer.chrome.com/extensions/match_patterns" target="_blank"> here  </a>  </i>
+
+<br>
+	<table><tr><td>
+<i style="font-size:10pt"> * Informations on url pattern can be found <a href="https://developer.chrome.com/extensions/match_patterns" target="_blank"> here  </a> &nbsp (An empty string on the field will select all urls.) </i>
+</td><td width="200" align="right">
+<div>
+<a href="https://github.com/didierfred/SimpleModifyHeaders" target="_blank"> About </a>
+</div>
+</td></tr></table>
+
 </td></tr>
 </table>
 <iframe id="download" width="0" height="0" frameBorder="0">