fix local dir reference

QoDProvisioning/README.md

@@ -12,7 +12,7 @@ Such API has the following endpoints:
 
 Last, our solution needs to be deployed in a Kubernetes cluster. A 5G Core is needed for proper implementation as well as your own 5G Core Controller.
 
-The PoC is based on [OSL CAMARAaaS Add-on](). It is recommended to read this before diving into the implementation of the PoC.
+The PoC is based on [OSL CAMARAaaS Add-on](../README.md). It is recommended to read this before diving into the implementation of the PoC.
 
 ## General concepts of the OSL CAMARAaaS as a TMF Service Specification