diff --git a/CloudComputing_Lab/modules/ROOT/pages/index.adoc b/CloudComputing_Lab/modules/ROOT/pages/index.adoc
index 5d9ceef..15fa113 100644
--- a/CloudComputing_Lab/modules/ROOT/pages/index.adoc
+++ b/CloudComputing_Lab/modules/ROOT/pages/index.adoc
@@ -1,9 +1,15 @@
 
-= CloudComputing_Lab
+= Lab
+
+
+== Register in xref:ROOT:a.adoc[okeanos]
+
+== Sign up in slack
+
+https://app.slack.com/client/T035D2LK5U4/C035D2YJK4L[Sign up^]
+
 
-image::ROOT:swarmlab.png[swarmlab,150,float=right]
 
-This tutorial demonstrates: *a.* howto create a Swarmlab.io doc wit asciidoc  
 
 == Lab 1
 == Lab 2