Merge pull request #46961 from zjj2wry/api_describe

Automatic merge from submit-queue

Fix api description

**What this PR does / why we need it**:
prefered ->  preferred
the the ->  the

**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**:

```release-note
NONE
```

federation/apis/openapi-spec/swagger.json

@@ -11371,7 +11371,7 @@
     "description": "HostAlias holds the mapping between IP and hostnames that will be injected as an entry in the pod's hosts file.",
     "properties": {
      "hostnames": {
-      "description": "Hostnames for the the above IP address.",
+      "description": "Hostnames for the above IP address.",
       "type": "array",
       "items": {
        "type": "string"