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I signed it!

CLAs look good, thanks!

@flyyang thanks for the PR. could you update your commit message to conform to the guidelines mentioned here? thanks!
https://github.com/angular/angular/blob/master/CONTRIBUTING.md#-commit-message-guidelines

All these changes should go docs or style or fix?

I'd go with docs: .... here. Fixes are really for bug fixes. Just don't specify a scope, since you touched docs comments but also test specs.

Hi @PascalPrecht . Does the update suits our conventions. Anything else?

Merging PR #5943 on behalf of @alexeagle to branch presubmit-alexeagle-pr-5943.

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