version 8 to 9: Incorrectly recommending use of ng-form instead of ngForm about angular-update-guide

[gallagherrchris]

This is referring to the selector.

An example would be:

<!-- Deprecated -->
<ngForm></ngForm>

<!-- Current -->
<ng-form></ng-form>

Here is a link to valid selectors for utilizing forms: https://angular.io/api/forms/NgForm#selectors

[mgechev]

@gallagherrchris thanks for following up! Closing based on your answer.