anchor.diff:  
   [source, bash]
   ----
  -helm install projectriff/riff --version 0.0.4 --name demo --namespace riff-system
  +helm install projectriff/riff --name control --namespace riff-system
   ----
   ====
   
  
positive.code: 
  === To upgrade to a new version
  
  [source, bash]
  ----
  helm upgade demo riffrepo/riff
  ----
  
  === To tear it all down
  
negative.code: 
  == [[current]]Install the current riff release
  
  We have separated the Kafka installation from the riff chart. This requires an extra step of installing Kafka in order to use riff. You can use the single-node Kafka chart provided by riff or the three-node kafka/zookeeper service provided by Kubeapps.
  
  === Install Kafka chart
  
  