Automatic merge from submit-queue (batch tested with PRs 38947, 50239, 51115, 51094, 51116)
Fix comment and typos in node_controller
**What this PR does / why we need it**:
1. fix comment to more accurately
2. fix typos
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```
NONE
```