diff --git a/matrix_webhook/formatters.py b/matrix_webhook/formatters.py
index 2d52788..c59249e 100644
--- a/matrix_webhook/formatters.py
+++ b/matrix_webhook/formatters.py
@@ -5,7 +5,7 @@ def grafana(data, headers):
     """Pretty-print a grafana notification."""
     text = ""
     if "title" in data:
-        text = "### " + data["title"] + "\n"
+        text = "#### " + data["title"] + "\n"
     if "message" in data:
         text = text + data["message"] + "\n\n"
     if "evalMatches" in data:
diff --git a/tests/test_grafana.py b/tests/test_grafana.py
index 6cd04cf..5c7cbd5 100644
--- a/tests/test_grafana.py
+++ b/tests/test_grafana.py
@@ -42,5 +42,5 @@ class GrafanaFormatterTest(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(message.sender, FULL_ID)
         self.assertEqual(
             message.body,
-            "### [Alerting] Panel Title alert\nNotification Message\n\n* Count: 1\n",
+            "#### [Alerting] Panel Title alert\nNotification Message\n\n* Count: 1\n",
         )