price feeds core few other links

apps/developer-hub/content/docs/price-feeds/core/create-your-first-pyth-app/index.mdx

@@ -12,7 +12,7 @@ The application includes a smart contract and an off-chain code invoking the con
 <Callout type="info" title="Getting Started">
   The tutorial is an in-depth walkthrough of contract development; more
   experienced developers may want to refer to [Use Real-time Price
-  Data](./use-real-time-data.mdx) for a more concise version.
+  Data](./use-real-time-data/) for a more concise version.
 </Callout>
 
 Please choose your environment to get started:

apps/developer-hub/content/docs/price-feeds/core/publish-data/index.mdx

@@ -65,7 +65,7 @@ Data providers can publish data to the network using the [pyth-agent](https://gi
 This package abstracts away all of the communication with the underlying blockchain and exposes a simple JSON RPC interface for submitting price data.
 Please see the [README](https://github.com/pyth-network/pyth-agent) of that package for instructions on using it.
 This software requires you to configure both the keypair and validators from the previous steps in order to run.
-Please also see the [JSON RPC API documentation](./pyth-client-websocket-api).
+Please also see the [JSON RPC API documentation](.publish-data/pyth-client-websocket-api/).
 Finally, the [example publisher](https://github.com/pyth-network/example-publisher) is a fully-worked example of how to integrate with the pyth-agent API.
 
 </Step>