[Badge] Fix doc about anchorOrigin (#18982)

Author: ypresto

docs/src/pages/components/badges/badges.md

@@ -47,6 +47,6 @@ You can use the `overlap` property to place the badge relative to the corner of
 
 ## Badge alignment
 
-You can use the `horizontalAlignment` and `verticalAlignment` properties to move the badge to any corner of the wrapped element.
+You can use the `anchorOrigin` prop to move the badge to any corner of the wrapped element.
 
 {{"demo": "pages/components/badges/BadgeAlignment.js", "hideHeader": true}}