fix graphql-ws spec link

website/src/pages/get-started.mdx

@@ -2,7 +2,7 @@ import { Callout } from '@theguild/components';
 
 # Get Started
 
-Coherent, zero-dependency, lazy, simple, [GraphQL over WebSocket spec](https://github.com/enisdenjo/graphql-sse/blob/master/PROTOCOL.md) compliant server and client.
+Coherent, zero-dependency, lazy, simple, [GraphQL over WebSocket spec](https://github.com/enisdenjo/graphql-ws/blob/master/PROTOCOL.md) compliant server and client.
 
 For detailed documentation and API reference, check out the [documentation page](/docs). If you need short and concise code snippets for starting with common use-cases, the [recipes page](/recipes) is the right place for you.