diff --git a/en/appendices/6-0-migration-guide.rst b/en/appendices/6-0-migration-guide.rst
index fb30fff2e9..a3261f21a5 100644
--- a/en/appendices/6-0-migration-guide.rst
+++ b/en/appendices/6-0-migration-guide.rst
@@ -33,8 +33,10 @@ Datasource
 Http
 ----
 
-- Using `$request->getParam('?')` to get the query params is no longer possible.
-  Use `$request->getQueryParams()` instead.
+- Using ``$request->getParam('?')`` to get the query params is no longer possible.
+  Use ``$request->getQueryParams()`` instead.
+- The methods ``_getCookies()``, ``_getJson()``, ``_getXml()``, ``_getHeaders()``
+  and ``_getBody()`` have been removed. Use/Overwrite their non-prefixed public alternative instead.
 
 ORM
 ---