update tikv profile
@@ -14,7 +14,7 @@ If you're interested in contributing to TiKV, or want to build it from source, s
![cncf_logo](images/cncf.png)
-TiKV is an incubating project of the [Cloud Native Computing Foundation](https://cncf.io/) (CNCF). If you are an organization that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how TiKV plays a role, read the CNCF [announcement](https://www.cncf.io/blog/2019/05/21/toc-votes-to-move-tikv-into-cncf-incubator/).
+TiKV is a graduated project of the [Cloud Native Computing Foundation](https://cncf.io/) (CNCF). If you are an organization that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how TiKV plays a role, read the CNCF [announcement](https://www.cncf.io/announcements/2020/09/02/cloud-native-computing-foundation-announces-tikv-graduation/).
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