Fix pagination link for extensions

Signed-off-by: Sajay Antony <[email protected]>

Author: sajayantony

extensions/README.md

@@ -87,7 +87,7 @@ in the following table:
 
 ## Pagination
 
-Extensions implementing pagination and SHOULD align with the [pagination](./spec.md#pagination) specification.
+Extensions implementing pagination and SHOULD align with the [pagination](../spec.md#content-discovery) specification.
 
 Extension MAY provide enumeration without lexical ordering and in this case, it is not required to support the `last` parameter.
 Clients are NOT RECOMMENDED to construct the `link` and SHOULD treat the URL as opaque.