Fix docs link

Signed-off-by: Peter Broadhurst <[email protected]>

Author: peterbroadhurst

docs/reference/types/_includes/subscription_description.md

@@ -170,7 +170,7 @@ allowing you to customize your HTTP requests as follows:
 - Wait for a invocation of the back-end service, before acknowledging
   - To retry requests to your Webhook on a non-`2xx` HTTP status code
     or other error, then you should enable and configure
-    [events.webhooks.retry](../../config.md#eventswebhooksretry)
+    [events.webhooks.retry](../../config.html#eventswebhooksretry)
   - The event is acknowledged once the request (with any retries), is
     completed - regardless of whether the outcome was a success or failure.
 - Use `fastack` to acknowledge against FireFly immediately and make multiple