fix typo in DEEP-004

docs/dep/dep-004.md

@@ -67,7 +67,8 @@ As mentioned previously, we wish to package all our Tasks in one Helm package
 that can be easily deployed on a cluster and provides access to all our
 components. When a user wants to reference a Task deployed via Helm on the
 cluster in a Pipeline description, they will have to use a new URI type that is
-inspired by `pURL` and looks like this: `helm://{{ helm_release_name }}/name`.
+inspired by `pURL` and looks like this:
+`pkg:helm/{{ helm_release_name }}/name`.
 
 The `helm_release_name` is the name of the release chosen by the operator when
 deploying the package, so it's specific to the deployment context. The name of