diff --git a/src/python/grpcio/grpc/framework/foundation/future.py b/src/python/grpcio/grpc/framework/foundation/future.py
index 92106161504941452f31978117052a5a2722460e..6fb58eadb60922c42476de27a848ad3a28ef9531 100644
--- a/src/python/grpcio/grpc/framework/foundation/future.py
+++ b/src/python/grpcio/grpc/framework/foundation/future.py
@@ -232,6 +232,6 @@ class Future(six.with_metaclass(abc.ABCMeta)):
     immediately.
 
     Args:
-      fn: A callable taking a this Future object as its single parameter.
+      fn: A callable taking this Future object as its single parameter.
     """
     raise NotImplementedError()