Fix documentation errors

website/members/services.py

@@ -169,7 +169,7 @@ def execute_data_minimisation(dry_run=False):
     at least 31 days ago
 
     :param dry_run: does not really remove data if True
-    :return list of processed members
+    :return: list of processed members
     """
     members = (Member.objects
                .filter(Q(membership__until__isnull=False) |

website/newsletters/views.py

@@ -74,7 +74,7 @@ def admin_send(request, pk):
     :param request: the request object
     :param pk: the newsletter's primary key
     :return: 302 RedirectResponse if POST else 200 with the
-    confirmation page HTML
+             confirmation page HTML
     """
     newsletter = get_object_or_404(Newsletter, pk=pk)