anchor.diff:  [IMPORTANT]
   =========================
   
  -The `vm_max_map_count` kernel setting needs to be set to at least `262144` for production use.
  +The `vm.max_map_count` kernel setting needs to be set to at least `262144` for production use.
   Depending on your platform:
   
   * Linux
   +
  -The `vm_map_max_count` setting should be set permanently in /etc/sysctl.conf:
  +The `vm.max_map_count` setting should be set permanently in /etc/sysctl.conf:
   +
   [source,sh]
   --------------------------------------------
  
positive.code: +
  * OSX with https://docs.docker.com/engine/installation/mac/#/docker-for-mac[Docker for Mac]
  +
  The `vm_max_map_count` setting must be set within the xhyve virtual machine:
  +
  ["source","sh"]
  --------------------------------------------
  
negative.code: +
  * OSX with https://docs.docker.com/engine/installation/mac/#docker-toolbox[Docker Toolbox]
  +
  The `vm.max_map_count` setting must be set via docker-machine:
  +
  ["source","sh"]
  --------------------------------------------
  