docs: Update UI text.

Created by: patrickluoyu

Signed-off-by: Patrick-LuoYu patrickluo@yunify.com

What type of PR is this?

/kind documentation

What this PR does / why we need it:

Update UI text.

Which issue(s) this PR fixes:

Fixes ## 4076

Special notes for reviewers:

@harrisonliu5 This PR does not involve source code logic changes. Please take a look. Thanks!

Does this PR introduced a user-facing change?

None