Minor updates to Tips and Tricks
Minor updates to Tips and Tricks

TrivialFix

Change-Id: Iaf4fe7747e1cf5c04cd37cb30985a75f0b1650e4

rahulunair/kolla,coolsvap/kolla,mrangana/kolla,nihilifer/kolla,intel-onp/kolla,dardelean/kolla-ansible,coolsvap/kolla,tonyli71/kolla,stackforge/kolla,mandre/kolla,GalenMa/kolla,nihilifer/kolla,GalenMa/kolla,stackforge/kolla,mandre/kolla,toby82/kolla,tonyli71/kolla,toby82/kolla,mandre/kolla,negronjl/kolla,negronjl/kolla,dardelean/kolla-ansible,openstack/kolla,coolsvap/kolla,negronjl/kolla,intel-onp/kolla,mrangana/kolla,openstack/kolla,toby82/kolla,dardelean/kolla-ansible,rahulunair/kolla,stackforge/kolla