diff --git a/zerver/test_hooks.py b/zerver/test_hooks.py
index cfa48ed9b9..3b7d9bd81e 100644
--- a/zerver/test_hooks.py
+++ b/zerver/test_hooks.py
@@ -811,7 +811,7 @@ class PagerDutyHookTests(AuthedTestCase):
         self.assertEqual(msg.subject, 'pagerduty')
         self.assertEqual(
             msg.content,
-            'Unknown pagerdudy message\n``` py\n{u\'type\': u\'incident.triggered\'}\n```'
+            'Unknown pagerduty message\n``` py\n{u\'type\': u\'incident.triggered\'}\n```'
         )
 
     def test_unknown_message_type(self):
@@ -820,5 +820,5 @@ class PagerDutyHookTests(AuthedTestCase):
         self.assertEqual(msg.subject, 'pagerduty')
         self.assertEqual(
             msg.content,
-            'Unknown pagerdudy message\n``` py\n{u\'type\': u\'foo\'}\n```'
+            'Unknown pagerduty message\n``` py\n{u\'type\': u\'foo\'}\n```'
         )
diff --git a/zerver/views/webhooks.py b/zerver/views/webhooks.py
index 90aae3f916..0b3fdd5a5c 100644
--- a/zerver/views/webhooks.py
+++ b/zerver/views/webhooks.py
@@ -927,7 +927,7 @@ PAGER_DUTY_EVENT_NAMES = {
     'incident.delegate': 'delineated',
 }
 
-def build_pagerdudy_formatdict(message):
+def build_pagerduty_formatdict(message):
     # Normalize the message dict, after this all keys will exist. I would
     # rather some strange looking messages than dropping pages.
 
@@ -975,7 +975,7 @@ def build_pagerdudy_formatdict(message):
 def send_raw_pagerduty_json(user_profile, stream, message):
     subject = 'pagerduty'
     body = (
-        u'Unknown pagerdudy message\n'
+        u'Unknown pagerduty message\n'
         u'``` py\n'
         u'%s\n'
         u'```') % (pprint.pformat(message),)
@@ -1020,7 +1020,7 @@ def api_pagerduty_webhook(request, user_profile, stream=REQ(default='pagerduty')
             send_raw_pagerduty_json(user_profile, stream, message)
 
         try:
-            format_dict = build_pagerdudy_formatdict(message)
+            format_dict = build_pagerduty_formatdict(message)
         except:
             send_raw_pagerduty_json(user_profile, stream, message)
         else: