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>. Update the ipvs proxy README.md **What this PR does / why we need it**: It fixes a small spelling mistake in the ipvs kube-proxy documentation. **Release note**: ```release-note NONE ```