tag 7008ceb01d1757545442e4f8275dc7e00fef659e
tagger Kubernetes Publisher <k8s-publish-robot@users.noreply.github.com> Mon Nov 20 19:42:04 2017
object 42558894029e0453e560ff39f84da83a3b673b5a

Kubernetes release v1.10.0-alpha.0

Based on https://github.com/kubernetes/kubernetes/releases/tag/v1.10.0-alpha.0

commit 42558894029e0453e560ff39f84da83a3b673b5a
author Kubernetes Publisher <k8s-publish-robot@users.noreply.github.com> Wed Nov 15 23:17:09 2017
committer Kubernetes Publisher <k8s-publish-robot@users.noreply.github.com> Thu Dec 07 04:10:21 2017
tree 925b80e3ec6c4da0112d46d23352c99165565307
parent 87ac39933584d7643a7d9587b0cdca975aa7cee7
parent 4f59a35cdf2d54d0bfac57e8dbc38f0ad116639b

Merge pull request #55357 from crimsonfaith91/doc

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 apps/v1 types.go comments for controller spec selector fields

**What this PR does / why we need it**:
This PR updates apps/v1 types.go comments (including removal of `optional` tag) for controller spec selector fields.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
xref #50808

**Release note**:

```release-note
NONE
```

Kubernetes-commit: 5f43fc8c8d82e059ed764b1b3faee580e555358f