message: docs: use better wording
  PR Close
diff: @@ -9,7 +9,7 @@ If you are confident that a part of the application is not affected by a state c
  ## Using OnPush
  -OnPush change detection instructs Angular that to only run change detection automatically for a component subtree when:
  +OnPush change detection instructs Angular to run change detection for a component subtree **only** when:
  * The root component of the subtree receives new inputs as the result of a template binding. Angular compares the current and past value of the input with `==`
  * Angular handles an event _(e.g. using event binding, output binding, or `@HostListener`)_ in the subtree's root component or any of its children wether they are using OnPush change detection or not.
  