[#6305] move link reference to the bottom

Author: xabbuh

reference/forms/types/textarea.rst

@@ -32,8 +32,7 @@ Renders a ``textarea`` HTML element.
 
     If you prefer to use an **advanced WYSIWYG editor** instead of a plain
     textarea, consider using the IvoryCKEditorBundle community bundle. Read
-    `its documentation <https://symfony.com/doc/current/bundles/IvoryCKEditorBundle/index.html>`_
-    to learn how to integrate it in your Symfony application.
+    `its documentation`_ to learn how to integrate it in your Symfony application.
 
 Inherited Options
 -----------------
@@ -72,3 +71,5 @@ The default value is ``''`` (the empty string).
 .. include:: /reference/forms/types/options/required.rst.inc
 
 .. include:: /reference/forms/types/options/trim.rst.inc
+
+.. _`its documentation`: https://symfony.com/doc/current/bundles/IvoryCKEditorBundle/index.html