Update README.md

Author: chaoyanghe

README.md

@@ -1,6 +1,5 @@
 # FedGraphNN: A Federated Learning System and Benchmark for Graph Neural Networks
-A Research-oriented Federated Learning Library and Benchmark Platform for Graph Neural Networks. 
-Accepted to ICLR'21-DPML and MLSys21 - GNNSys'21 workshops. 
+FedGraphNN: A Federated Learning Platform for Graph Neural Networks with MLOps Support. The previous research version is accepted to ICLR'2021 - DPML and MLSys'21 - GNNSys workshops.
 
 ## Introduction 
 
@@ -88,4 +87,4 @@ Please cite our FedML and FedGraphNN papers if it helps your research.
 
 ## Contact
 
-Please find contact information at the [homepage](https://github.com/FedML-AI/FedML#join-the-community).
+Please find contact information at the [homepage](https://github.com/FedML-AI/FedML#join-the-community).