Update packages/react/src/Button/Multi-state Buttons.mdx

Co-authored-by: Lindsey Wild <35239154+lindseywild@users.noreply.github.com>

packages/react/src/Button/Multi-state Buttons.mdx

@@ -9,7 +9,7 @@ import {Button} from '.'
 
 When a button's visible label changes as a result of it being activated, make sure that this information is also communicated to assistive technology users. This will require implementing one of the following approaches.
 
-Learn more about at [Staff-only: Dynamically updated button labels](https://github.com/github/accessibility/blob/8b300b36d8bca28fd5e3e70ffa077a6f8ee65c05/docs/wiki/screen-reader-testing/dynamically-updated-buttons-support-april-2024.md), and reach out to #primer or #accessibility on Slack if you need additional guidance.
+Learn more at [Staff-only: Dynamically updated button labels](https://github.com/github/accessibility/blob/8b300b36d8bca28fd5e3e70ffa077a6f8ee65c05/docs/wiki/screen-reader-testing/dynamically-updated-buttons-support-april-2024.md), and reach out to #primer or #accessibility on Slack if you need additional guidance.
 
 ## Approach 1. Populate a pre-existing live region _outside of the button_