Docs: Update README (#584)

* Docs: Update README

* Docs: Update README

Author: Olexandr88

src/engine/README.md

@@ -3,7 +3,7 @@
 The Engine JSON-RPC API is a collection of methods that all execution clients implement.
 This interface allows the communication between consensus and execution layers of the two-component post-Merge Ethereum Client.
 
-This API is in *active development* and currently specified in markdown documents specified by fork scopes ([Paris](./paris.md), [Shanghai](./shanghai.md), [Cancun](./cancun.md)).
+This API is in *active development* and currently specified in markdown documents specified by fork scopes ([Paris](./paris.md), [Shanghai](./shanghai.md), [Cancun](./cancun.md), [Prague](./prague.md)).
 
 ## References
 * [Engine API: A Visual Guide](https://hackmd.io/@danielrachi/engine_api)