diff --git a/djrill/tests/test_mandrill_webhook.py b/djrill/tests/test_mandrill_webhook.py
index 4452687..2f0e9ec 100644
--- a/djrill/tests/test_mandrill_webhook.py
+++ b/djrill/tests/test_mandrill_webhook.py
@@ -95,7 +95,7 @@ class DjrillWebhookViewTests(TestCase):
             self.assertEqual(data, test_event)
 
         try:
-            webhook_event.connect(my_callback)
+            webhook_event.connect(my_callback, weak=False)  # local callback func, so don't use weak ref
             response = self.client.post('/webhook/?secret=abc123', {
                 'mandrill_events': json.dumps([test_event])
             })
@@ -117,7 +117,7 @@ class DjrillWebhookViewTests(TestCase):
             self.assertEqual(data, test_event)
 
         try:
-            webhook_event.connect(my_callback)
+            webhook_event.connect(my_callback, weak=False)  # local callback func, so don't use weak ref
             response = self.client.post('/webhook/?secret=abc123', {
                 'mandrill_events': json.dumps([test_event])
             })
diff --git a/docs/usage/webhooks.rst b/docs/usage/webhooks.rst
index e33dce3..382f768 100644
--- a/docs/usage/webhooks.rst
+++ b/docs/usage/webhooks.rst
@@ -114,7 +114,11 @@ Webhook Notifications
 
 Once you've enabled webhooks, Djrill will send a ``djrill.signals.webhook_event``
 custom `Django signal`_ for each Mandrill event it receives.
-You can connect to this signal for further processing.
+You can connect your own receiver function to this signal for further processing.
+
+Be sure to read Django's `listening to signals`_ docs for information on defining
+and connecting signal receivers.
+
 Examples:
 
 .. code-block:: python
@@ -161,6 +165,8 @@ The available fields in the `data` param are described in Mandrill's documentati
 .. _Django signal: https://docs.djangoproject.com/en/stable/topics/signals/
 .. _inbound webhooks:
     http://help.mandrill.com/entries/22092308-What-is-the-format-of-inbound-email-webhooks-
+.. _listening to signals:
+    https://docs.djangoproject.com/en/stable/topics/signals/#listening-to-signals
 .. _sent-message webhooks: http://help.mandrill.com/entries/21738186-Introduction-to-Webhooks
 .. _whitelist/blacklist sync webooks:
     https://mandrill.zendesk.com/hc/en-us/articles/205583297-Sync-Event-Webhook-format