diff --git a/Lib/bdb.py b/Lib/bdb.py
index b18a0612d8c789..384a272a85217b 100644
--- a/Lib/bdb.py
+++ b/Lib/bdb.py
@@ -117,7 +117,7 @@ def dispatch_call(self, frame, arg):
         """Invoke user function and return trace function for call event.
 
         If the debugger stops on this function call, invoke
-        self.user_call(). Raise BbdQuit if self.quitting is set.
+        self.user_call(). Raise BdbQuit if self.quitting is set.
         Return self.trace_dispatch to continue tracing in this scope.
         """
         # XXX 'arg' is no longer used