docs: fix case-sensitive typo in README.md when linking to docs/SslConfig.md.
previously when clicking the link via GitHub a 404 was returned rather than the expected document
@@ -63,7 +63,7 @@ GetResponse response = getFuture.get();
// delete the key
kvClient.delete(key).get();
```
-To build one ssl secured client, refer to [secured client config](docs/sslconfig.md).
+To build one ssl secured client, refer to [secured client config](docs/SslConfig.md).
For full etcd v3 API, plesase refer to the [official API documentation](https://etcd.io/docs/current/learning/api/).
