minor #14762 [Form] Rewording (ThomasLandauer)

This PR was merged into the 4.4 branch.

Discussion
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[Form] Rewording

As a separate PR, as recommended by #13450 (comment)

Note: `addTagForm` was the wrong function name, it's now called `addFormToCollection()`

Commits
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d015c96 Rewording

Author: javiereguiluz

form/form_collections.rst

@@ -304,14 +304,10 @@ functionality with JavaScript:
         })
     });
 
-The ``addTagForm()`` function's job will be to use the ``data-prototype`` attribute
-to dynamically add a new form when this link is clicked. The ``data-prototype``
-HTML contains the tag ``text`` input element with a name of ``task[tags][__name__][name]``
-and id of ``task_tags___name___name``. The ``__name__`` is a little "placeholder",
-which you'll replace with a unique, incrementing number (e.g. ``task[tags][3][name]``).
-
-The actual code needed to make this all work can vary quite a bit, but here's
-one example:
+The ``data-prototype`` HTML contains the tag's ``text`` input element with a name of
+``task[tags][__name__][name]`` and id of ``task_tags___name___name``. The ``__name__``
+part is a "placeholder", which is replaced by a unique, incrementing number
+(e.g. ``task[tags][3][name]``).
 
 .. code-block:: javascript