Fix typos in comment
Fix typos in comment

This patch fixes typos `releveant` and `theyr'e`.

Change-Id: I9f56d480290ee00053a9c6162aee450fcb589fc6

j-griffith/cinder,phenoxim/cinder,Hybrid-Cloud/cinder,Hybrid-Cloud/cinder,openstack/cinder,j-griffith/cinder,eharney/cinder,Datera/cinder,phenoxim/cinder,ge0rgi/cinder,openstack/cinder,mahak/cinder,Datera/cinder,mahak/cinder,eharney/cinder