Fix some spelling errors
Fix some spelling errors

Running aspell against murano YAML found a few
minor typos to repair.

Change-Id: Iad9c95451a0a7fce1f70fe0337cd49ddbd3db245

stackforge/apps-catalog,shayn1234/apps-catalog,stackforge/apps-catalog,shayn1234/apps-catalog,stackforge/apps-catalog,stackforge/apps-catalog,shayn1234/apps-catalog,shayn1234/apps-catalog