fix: Update broken link in accessibility.md (#2618)

Author: megancoyle

src/guide/best-practices/accessibility.md

@@ -503,7 +503,7 @@ W3C's WAI-ARIA provides guidance on how to build dynamic content and advanced us
   - [ChromeVox](https://chrome.google.com/webstore/detail/chromevox-classic-extensi/kgejglhpjiefppelpmljglcjbhoiplfn?hl=en)
 - Zooming Tools
   - [MAGic](https://www.freedomscientific.com/products/software/magic/)
-  - [ZoomText](https://www.zoomtext.com/)
+  - [ZoomText](https://www.freedomscientific.com/products/software/zoomtext/)
   - [Magnifier](https://support.microsoft.com/en-us/help/11542/windows-use-magnifier-to-make-things-easier-to-see)
 
 ### Testing {#testing}