Update 'upgrade' doc changes to match

Author: pimterry

doc/api/http.md

@@ -1676,9 +1676,11 @@ added: v0.1.94
 changes:
   - version: REPLACEME
     pr-url: https://github.com/nodejs/node/pull/60016
-    description: This event will not fire until the request body has been
-                 received. Previously, it fired immediately and the request
-                 body was incorrectly included in `head` instead.
+    description: Request bodies are no longer exposed raw (unparsed) on the
+                 socket argument. Instead, only the content after the request
+                 body will be emitted on the socket, and the parsed request
+                 body data will be emitted from the request, just like in
+                 the normal server `request` events.
   - version:
      - v24.9.0
      - v22.21.0