tidy up entranceSlug all now deleted

core/forms.py

@@ -157,13 +157,13 @@ class EntranceForm(ModelForm):
         return self.cleaned_data
 
 
-# This next line is called from the templates/edit_cave2.html template.
+# This next line is called from the templates/edit_cave.html template.
 # This is sufficient to create an entire entry for for the cave fields automatically
 # http://localhost:8000/cave/new/
 # using django built-in Deep Magic. https://docs.djangoproject.com/en/dev/topics/forms/modelforms/
 # for forms which map directly onto a Django Model
 CaveAndEntranceFormSet = modelformset_factory(CaveAndEntrance, exclude=("cave",))
-
+# This is used only in edit_entrance() in views/caves.py
 
 class EntranceLetterForm(ModelForm):
     """Form to link entrances to caves, along with an entrance number.