Capitalization Rules

- [Apple](https://developer.apple.com/library/mac/documentation/UserExperience/Conceptual/OSXHIGuidelines/index.html#//apple_ref/doc/uid/20000957-CH3-SW1)
- [Microsoft](https://msdn.microsoft.com/en-us/library/windows/desktop/bb246428%28v=vs.85%29.aspx)
- [Google](https://material.google.com/style/writing.html#writing-language)


Start by reviewing the Apple, Microsoft, and Google capitalization guidance linked in the issue, then compare it with the attached screenshot. No repository file or entry point is named, so first locate the relevant style-guide content. Done means the desired capitalization rules and their documentation location are clearly defined.

Written by the indexing model from the issue text.