Fix broken links

README.md

@@ -33,9 +33,8 @@ p2panda is a user-friendly peer-to-peer protocol for secure, energy-efficient lo
 </a>
 
 * [`About`](https://p2panda.org/about)
-* [`Learn`](https://p2panda.org/learn)
 * [`Tutorials`](https://p2panda.org/tutorials)
-* [`Libraries`](https://p2panda.org/libraries)
+* [`SDK`](https://p2panda.org/sdk)
 * [`Specification`](https://p2panda.org/specification)
 * [`FAQ`](https://p2panda.org/faq)
 

website/docs/tutorials/send-to-node.md

@@ -295,7 +295,7 @@ Finally we want to create the actual schema! Here we define the `name` of the sc
 
 We need to send three operations to create a schema, this is so much work! But remember, we're doing it with a very minimal `send-to-node` tool right now for the purpose of learning how it works _under the hood_ or _behind the scenes_ and so on.
 
-Later there will be tools like `fishyfish` to create schemas in one step, they handle all of these requests automatically for you. Or you can write your own tool or scripts of course using the p2panda [libraries](/libraries).
+Later there will be tools like `fishyfish` to create schemas in one step, they handle all of these requests automatically for you. Or you can write your own tool or scripts of course using the p2panda [SDKs](/sdk).
 
 :::
 
@@ -518,6 +518,6 @@ Think about it from the perspective of a "traditional" database. You probably ne
 
 ## Done!
 
-Yay! Now you know how to create a schema and even documents with the `send-to-node` tool. You could also write your own program which sends and signs the operations using the p2panda [libraries](/libraries). Querying documents and publishing operations via GraphQL is basically everything a p2panda client is doing. In this tutorial we did it _manually_ but a client of course would do it all for us in the background.
+Yay! Now you know how to create a schema and even documents with the `send-to-node` tool. You could also write your own program which sends and signs the operations using the p2panda [SDK](/sdk). Querying documents and publishing operations via GraphQL is basically everything a p2panda client is doing. In this tutorial we did it _manually_ but a client of course would do it all for us in the background.
 
 Check out the [next tutorial](/tutorials/mushroom-app) on how to build a client in React if you're curious about how to actually do this.