Fix Git clone URL
diff --git a/src/main/webapp/contribute.html b/src/main/webapp/contribute.html
index 0ea728c..dce6893 100644
--- a/src/main/webapp/contribute.html
+++ b/src/main/webapp/contribute.html
@@ -137,11 +137,11 @@
 
             <h4 class="pt-2">Anonymous Access</h4>
             <p>The source can be checked out anonymously from Git with this command (See <a target="_blank" href="https://git-scm.com/docs/git-clone">https://git-scm.com/docs/git-clone</a>):</p>
-            <pre class="alert alert-primary"><code>$ git clone https://gitbox.apache.org/repos/asf?p=unomi.git</code></pre>
+            <pre class="alert alert-primary"><code>$ git clone https://gitbox.apache.org/repos/asf/unomi.git</code></pre>
 
             <h4 class="pt-2">Developer Access</h4>
             <p>Only project developers can access the Git tree via this method (See <a target="_blank" href="https://git-scm.com/docs/git-clone">https://git-scm.com/docs/git-clone</a>):</p>
-            <pre class="alert alert-primary"><code>$ git clone https://gitbox.apache.org/repos/asf?p=unomi.git</code></pre>
+            <pre class="alert alert-primary"><code>$ git clone https://gitbox.apache.org/repos/asf/unomi.git</code></pre>
 
             <h4 class="pt-3">Access from Behind a Firewall</h4>
             <p>Refer to the documentation of the SCM used for more information about access behind a firewall.</p>