chore(spec): fix comment of custom path (#5014)

Author: millotp

specs/common/schemas/CustomRequest.yml

@@ -26,7 +26,7 @@ Responses:
 PathInPath:
   name: path
   in: path
-  description: Path of the endpoint, anything after "/1" must be specified.
+  description: Path of the endpoint, for example `1/newFeature`.
   required: true
   schema:
     type: string