--- a/src/dev/index.en.html
+++ b/src/dev/index.en.html
@@ -35,17 +35,17 @@ Mozilla wiki</a> - and the
 development news every now and then.
 </p>
 
 <h2 id="development">Code Development</h2>
 
 <p>
 As we're part of the
 <a href="http://www.mozilla.org/">Mozilla</a> project, most of the
-<a href="http://www.mozilla.org/developer/">mozilla.org developer pages</a>
+<a href="https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide">mozilla.org developer pages</a>
 also apply to SeaMonkey, there's also content there that explains
 <a href="https://developer.mozilla.org/En/Developer_Guide/Source_Code/Getting_comm-central">how
 to get the comm-central source code</a>, which includes the current SeaMonkey
 development code.
 </p>
 
 <p>
 For getting into contact with the SeaMonkey development community, for example
@@ -143,14 +143,14 @@ people to SeaMonkey, as that is explicit
 <p>
 The merchandise available from the
 <a href="http://www.zazzle.com/seamonkeyproject">SeaMonkey shop</a> can also
 help you in spreading the word.
 </p>
 
 <p>
 And, last not least, you can
-<a href="https://donate.mozilla.org/page/contribute/seamonkey">donate money to
+<a href="../donate">donate money to
 the SeaMonkey project</a> via our host organization, the Mozilla Foundation.
 </p>
 
 </body>
 </html>