Update doc/api/async_hooks.md

Co-authored-by: Antoine du Hamel <[email protected]>

Author: GeoffreyBooth

doc/api/async_hooks.md

@@ -2,9 +2,8 @@
 
 <!--introduced_in=v8.1.0-->
 
-> Stability: 1 - Experimental
-
-> We plan to remove this API in the future; it will never become stable.
+> Stability: 1 - Experimental. We plan to remove this API
+> in the future; it will never become stable.
 > Please migrate to [`AsyncLocalStorage`][] and [Diagnostics Channel][] and
 > other stable APIs.