Merge pull request #1450 from johnko/patch-1

fix typo 'on' > 'one'

RELEASE.md

@@ -3,7 +3,7 @@
 The Kubespray Project is released on an as-needed basis. The process is as follows:
 
 1. An issue is proposing a new release with a changelog since the last release
-2. At least on of the [OWNERS](OWNERS) must LGTM this release
+2. At least one of the [OWNERS](OWNERS) must LGTM this release
 3. An OWNER runs `git tag -s $VERSION` and inserts the changelog and pushes the tag with `git push $VERSION`
 4. The release issue is closed
 5. An announcement email is sent to `kubernetes-dev@googlegroups.com` with the subject `[ANNOUNCE] Kubespray $VERSION is released`