diff --git a/slides/autopilot/autotest.py b/slides/autopilot/autotest.py
index 1da7aea8..389c5f96 100755
--- a/slides/autopilot/autotest.py
+++ b/slides/autopilot/autotest.py
@@ -215,10 +215,10 @@ tmux
 
 2. If you want to control a remote tmux:
 
-rm -f /tmp/tmux-{uid}/default
-ssh -t -L /tmp/tmux-{uid}/default:/tmp/tmux-1001/default docker@{ipaddr} tmux
+rm -f /tmp/tmux-{uid}/default && ssh -t -L /tmp/tmux-{uid}/default:/tmp/tmux-1001/default docker@{ipaddr} tmux
 
 3. If you cannot control a remote tmux:
+
 tmux new-session ssh docker@{ipaddr}
 """.format(uid=uid, ipaddr=ipaddr))
     else:
diff --git a/slides/common/intro.md b/slides/common/intro.md
index 7110ab65..f9782e75 100644
--- a/slides/common/intro.md
+++ b/slides/common/intro.md
@@ -35,9 +35,7 @@ class: self-paced
   <br/>you will be given specific instructions to access your cluster
 
 - If you are doing this on your own:
-  <br/>the first chapter will give you various options like
-  [Play-With-Docker](http://www.play-with-docker.com/)
-  to get your own cluster
+  <br/>the first chapter will give you various options to get your own cluster
 
 ---