diff --git a/content/u/projects/open-chat/contents.lr b/content/u/projects/open-chat/contents.lr
index 6db2fe0..af3d839 100644
--- a/content/u/projects/open-chat/contents.lr
+++ b/content/u/projects/open-chat/contents.lr
@@ -17,10 +17,17 @@ You can chat with us on [matrix.ungleich.ch](https://matrix.ungleich.ch).
 
 ## IPv6 Chat
 
-To foster IPv6 deployement, we created [IPv6.chat](../ipv6-chat),
+To foster IPv6 deployement, we created [IPv6.chat](../ipv6-chat/),
 which is also reachable via matrix. Follow above instructions and type
 **/join #ipv6:ungleich.ch** instead.
 
+## Data Center Light
+
+For discussion and questions about [Data Center
+Light](../data-center-light/), you can **/join
+#datacenterlight:ungleich.ch**. Anything about VMs, hosting,
+colocation or our setup can be discussed there.
+
 ## Hacking and Learning
 
 Specifically for learning new technologies and to exchange knowledge