minor #13460 Rephrasing the "If you render your whole" note (2nd attempt) (ThomasLandauer)

This PR was merged into the 3.4 branch.

Discussion
----------

Rephrasing the "If you render your whole" note (2nd attempt)

Re-submitting #13449 to fix conflict

Commits
-------

6fb183a Rephrasing the "If you render your whole" note (2nd attempt)

Author: javiereguiluz

form/form_collections.rst

@@ -268,12 +268,6 @@ On the rendered page, the result will look something like this:
     If you want to customize the HTML code in the prototype, see
     :ref:`form-custom-prototype`.
 
-.. note::
-
-    If you render your whole "tags" sub-form at once (e.g. ``form_row(form.tags)``),
-    then the prototype is automatically available on the outer ``div`` as
-    the ``data-prototype`` attribute, similar to what you see above.
-
 .. tip::
 
     The ``form.tags.vars.prototype`` is a form element that looks and feels just
@@ -286,6 +280,12 @@ On the rendered page, the result will look something like this:
 
         {{ form_widget(form.tags.vars.prototype.name)|e }}
 
+.. note::
+
+    If you render your whole "tags" sub-form at once (e.g. ``form_row(form.tags)``),
+    the ``data-prototype`` attribute is automatically added to the containing ``div``,
+    and you need to adjust the following JavaScript accordingly.
+
 The goal of this section will be to use JavaScript to read this attribute
 and dynamically add new tag forms when the user clicks a "Add a tag" link.
 To make things simple, this example uses jQuery and assumes you have it included