Update autoCapitalize props comment (#5629)

Co-authored-by: Daniel Lu <dl1644@gmail.com>

Author: ryo-manba

packages/@react-aria/textfield/src/useTextField.ts

@@ -81,8 +81,8 @@ export interface AriaTextFieldOptions<T extends TextFieldIntrinsicElements> exte
    */
   inputElementType?: T,
   /**
-   * A nonstandard attribute used by iOS Safari that controls how textual form elements should be automatically capitalized.
-   * See [MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#autocapitalize).
+   * Controls whether inputted text is automatically capitalized and, if so, in what manner. 
+   * See [MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/autocapitalize).
    */
   autoCapitalize?: 'off' | 'none' | 'on' | 'sentences' | 'words' | 'characters'
 }

packages/@react-types/form/src/index.d.ts

@@ -57,8 +57,8 @@ export interface FormProps extends AriaLabelingProps {
    */
   autoComplete?: 'off' | 'on',
   /**
-   * A nonstandard attribute used by iOS Safari that controls how textual form elements should be automatically capitalized.
-   * See [MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/form#autocapitalize).
+   * Controls whether inputted text is automatically capitalized and, if so, in what manner. 
+   * See [MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/autocapitalize).
    */
   autoCapitalize?: 'off' | 'none' | 'on' | 'sentences' | 'words' | 'characters',
   /**