Fixed #9325 -- Typo fix in the forms documentation.

Looping over the form's fields

------------------------------

If you're the same HTML for each of your form fields, you can

reduce duplicate code by looping through each field in turn using

a ``{% for %}`` loop::

If you're using the same HTML for each of your form fields, you can reduce

duplicate code by looping through each field in turn using a ``{% for %}``

loop::

    <form action="/contact/" method="POST">

        {% for field in form %}