Link to up-to-date dev environment documentation
diff --git a/documentation/m2e-development-environment.html b/documentation/m2e-development-environment.html
index 5113f05..07c42ce 100644
--- a/documentation/m2e-development-environment.html
+++ b/documentation/m2e-development-environment.html
@@ -31,6 +31,9 @@
</head>
<body>
+
+ <h1 style="border: red solid 2px; background-color: yellow;">⚠️ This page is outdated, use <a href="https://github.com/eclipse-m2e/m2e-core/blob/master/CONTRIBUTING.md">https://github.com/eclipse-m2e/m2e-core/blob/master/CONTRIBUTING.md</a> instead.</h1>
+
<div class="wrap">
<div class="header">
diff --git a/documentation/m2e-documentation.html b/documentation/m2e-documentation.html
index ebf5ae8..2771e2a 100644
--- a/documentation/m2e-documentation.html
+++ b/documentation/m2e-documentation.html
@@ -100,7 +100,7 @@
</ul>
<h4 class="headline">Developers</h2>
<ul class="unstyled">
- <li><a href="/m2e/documentation/m2e-development-environment.html">Development Environment Setup</a></li>
+ <li><a href="https://github.com/eclipse-m2e/m2e-core/blob/master/CONTRIBUTING.md">Development Environment Setup</a></li>
</ul>
<h4 class="headline">Extension Developers</h2>
<ul class="unstyled">