Edits to calico swarm tutorial.
Edits to calico swarm tutorial.


Former-commit-id: c8acf6a369ef8bfb69efad6243f3a48fc8c6c35e
djosborne/libcalico,insequent/libcalico,robbrockbank/libcalico,Symmetric/libcalico,plwhite/libcalico,tomdee/libnetwork-plugin,tomdee/libcalico,caseydavenport/libcalico,TrimBiggs/libcalico,projectcalico/libnetwork-plugin,alexhersh/libcalico,TrimBiggs/libnetwork-plugin,projectcalico/libcalico,L-MA/libcalico,TrimBiggs/libnetwork-plugin