
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. glusterfs: improve a few comments **What this PR does / why we need it**: This PR fixes a couple of comments in the glusterfs module: * fixes a typo in a comment * removes an outdated comment that is not correct (any more) * updates one comment to refer to upstream gluster documentation instead of downstream red hat product documentation