Add a link to the correct config-file

Author: hmpf

python/nav/django/settings.py

@@ -253,11 +253,12 @@
     'nav.web.info.searchproviders.UnrecognizedNeighborSearchProvider',
 ]
 
-# Web security options supported by Django
+## Web security options supported by Django
 # * https://docs.djangoproject.com/en/3.2/ref/middleware/#module-django.middleware.security
 # * https://docs.djangoproject.com/en/3.2/topics/http/sessions/
 # * https://docs.djangoproject.com/en/3.2/ref/clickjacking/
-# Example conf:
+#
+# Configured in etc/webfront/webfront.conf:
 #  [security]
 #  needs_tls = yes