diff --git a/pika/heartbeat.py b/pika/heartbeat.py
index f06bd527ae91ea278eab2df5bb337907a92ce597_cGlrYS9oZWFydGJlYXQucHk=..37366c634f19a8fce6d65c3f5da5ca298349e550_cGlrYS9oZWFydGJlYXQucHk= 100644
--- a/pika/heartbeat.py
+++ b/pika/heartbeat.py
@@ -14,7 +14,7 @@
 
     """
     _CONNECTION_FORCED = 320
-    _STALE_CONNECTION = "No activity or too many missed meartbeats in the last %i seconds"
+    _STALE_CONNECTION = "No activity or too many missed heartbeats in the last %i seconds"
 
     def __init__(self, connection, timeout):
         """Create an object that will check for activity on the provided