diff --git a/locust/user/task.py b/locust/user/task.py
index 68d0b63baa..76629316da 100644
--- a/locust/user/task.py
+++ b/locust/user/task.py
@@ -88,7 +88,7 @@ def decorator_func(func):
     Check if task was used without parentheses (not called), like this::
 
         @task
-        def my_task()
+        def my_task(self)
             pass
     """
     if callable(weight):