Update README

#trivial updates to the brand

README.md

@@ -107,7 +107,7 @@ The setup we described above is only for testing in a local environment. It is *
 installation where the minimum number of proxy instances is 3.
 
 For a comprehensive guide with the recommended production setup check the documentation available at
-[Datastax Migration](https://docs.datastax.com/en/astra-serverless/docs/migrate/introduction.html).
+[DataStax Migration](https://docs.datastax.com/en/astra-serverless/docs/migrate/introduction.html).
 
 There you'll find information about an Ansible-based tool that automates most of the process.