Fixed #18548 - Clarified note regarding reusing model instances when …
…form validation fails.
|@@ -202,7 +202,7 @@ of cleaning the model you pass to the ``ModelForm`` constructor. For instance,|
|calling ``is_valid()`` on your form will convert any date fields on your model|
|to actual date objects. If form validation fails, only some of the updates|
|may be applied. For this reason, you'll probably want to avoid reusing the|
|+model instance passed to the form, especially if validation fails.|
|The ``save()`` method|