diff --git a/slides/docker.yml b/slides/docker.yml
index eaaa8e6e..104ff333 100644
--- a/slides/docker.yml
+++ b/slides/docker.yml
@@ -1,5 +1,7 @@
title: |
- Docker
+ Docker Workshop @ Ecosia
+ 
+
#chat: "[Mattermost](https://training.enix.io/mattermost)"