diff --git a/intro/modules/ROOT/pages/exer.adoc b/intro/modules/ROOT/pages/exer.adoc
index cc9f3c3..5624fe8 100644
--- a/intro/modules/ROOT/pages/exer.adoc
+++ b/intro/modules/ROOT/pages/exer.adoc
@@ -20,13 +20,13 @@ cd /project/courses/fluentd
 
 NOTE:  try to find the differences between them!
 
-CAUTION:  try to find the differences between them!
-
-WARNING:  try to find the differences between them!
-
-IMPORTANT:  try to find the differences between them!
 
+== SSH connection
 
+[source,bash]
+----
+ssh docker@[IP]
+----
 
 == SSH password