[fix] link

searx/templates/about.html

@@ -10,7 +10,7 @@
     <ul>
         <li>Searx may not offer you as personalised results as Google, but it doesn't generate a profile about you</li>
         <li>Searx doesn't care about what you search for, never shares anything with a third party, and it can't be used to compromise you</li>
-        <li>Searx is free software, the code is 100% open and you can help to make it better. See more on <a href="https://gmail.com/asciimoo/searx">github</a></li>
+        <li>Searx is free software, the code is 100% open and you can help to make it better. See more on <a href="https://github.com/asciimoo/searx">github</a></li>
     </ul>
     <p>If you do care about privacy, want to be a conscious user, or otherwise believe
     in digital freedom, make Searx your default search engine or run it on your own server</p>