Update README.md
Fix link reference continuity.
@@ -75,7 +75,7 @@ See the [installation guide](docs/installation_guide.md) for more detailed optio
### Using OSM
-After installing OSM, [add an application](docs/onboard_services.md) to the service mesh.
+After installing OSM, [onboard Kubernetes services](docs/onboard_services.md) to the service mesh.
### OSM Usage patterns
