Text update required, N1 Console API one.json file

@sylwang , you missed a couple of requested changes from PR 990. I'm going to proceed with merge, and will update when you set up a new one.json.

ref: 
- https://github.com/nginx/documentation/pull/990#discussion_r2285919299
- https://github.com/nginx/documentation/pull/990#discussion_r2285923798
- https://github.com/nginx/documentation/pull/990#discussion_r2285932068
