diff --git a/src/python/grpcio/grpc/experimental/aio/_channel.py b/src/python/grpcio/grpc/experimental/aio/_channel.py
index 3dbbf154746..3a2aa10b855 100644
--- a/src/python/grpcio/grpc/experimental/aio/_channel.py
+++ b/src/python/grpcio/grpc/experimental/aio/_channel.py
@@ -18,7 +18,7 @@ from grpc._cython import cygrpc
 
 
 class UnaryUnaryMultiCallable:
-    """Afford invoking an unary-unary RPC from client-side in an asynchronous way."""
+    """Afford invoking a unary-unary RPC from client-side in an asynchronous way."""
 
     def __init__(self, channel, method, request_serializer,
                  response_deserializer):