Automatic merge from submit-queue (batch tested with PRs 50758, 48057)

continue fix the typo in staging file

**What this PR does / why we need it**:
in kubernetes has left two place to modify the word of explicit,thanks
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #50680 

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```