fix changelog link

Author: bhosmer-ant

docs/specification/draft/changelog.mdx

@@ -21,7 +21,8 @@ the previous revision, [2025-03-26](/specification/2025-03-26).
 5. Added support for **[elicitation](client/elicitation)**, enabling servers to request additional
    information from users during interactions.
    (PR [#382](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/382))
-6. Added support for **[linked resources](http://localhost:3001/specification/draft/server/tools#linked-resources)** in tool call results. (PR [#603](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/603))
+6. Added support for **[linked resources](/specification/draft/server/tools#linked-resources)** in 
+   tool call results. (PR [#603](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/603))
 
 ## Other schema changes