diff --git a/CloudComputing_Lab/modules/ROOT/nav.adoc b/CloudComputing_Lab/modules/ROOT/nav.adoc
index 00fe8c3..d4160bb 100644
--- a/CloudComputing_Lab/modules/ROOT/nav.adoc
+++ b/CloudComputing_Lab/modules/ROOT/nav.adoc
@@ -1,5 +1,5 @@
 * xref:index.adoc[Intro]
-* xref:a.adoc[Lab environment]
+* xref:a.adoc[Setup Lab]
 * xref:b.adoc[Create service]
 * xref:c.adoc[Hybrid2Cloud connect]
 * xref:d.adoc[Storage I]
diff --git a/CloudComputing_Lab/modules/ROOT/pages/a.adoc b/CloudComputing_Lab/modules/ROOT/pages/a.adoc
index cb4b929..e1b766b 100644
--- a/CloudComputing_Lab/modules/ROOT/pages/a.adoc
+++ b/CloudComputing_Lab/modules/ROOT/pages/a.adoc
@@ -1,5 +1,5 @@
 
-= Lab environment
+= Setting Up The Lab Environment
 
 == okeanos
 
diff --git a/CloudComputing_Lab/modules/ROOT/pages/index.adoc b/CloudComputing_Lab/modules/ROOT/pages/index.adoc
index 0616218..bb3fcb4 100644
--- a/CloudComputing_Lab/modules/ROOT/pages/index.adoc
+++ b/CloudComputing_Lab/modules/ROOT/pages/index.adoc
@@ -10,12 +10,12 @@
 
 == Learning Scheduler 
 
-* Lab environment
-* Create service
-* Hybrid2Cloud connect
-* Storage I
-* Storage II
-* Docker Swarm
+* xref:ROOT:a.adoc[Setting Up The Lab Environment]
+* xref:ROOT:b.adoc[reate service]
+* xref:ROOT:c.adoc[Hybrid2Cloud connect]
+* xref:ROOT:d.adoc[Storage I]
+* xref:ROOT:e.adoc[Storage II]
+* xref:ROOT:f.adoc[Docker Swarm]
 
 == Intro