corrected repo

Author: dlepow

articles/container-registry/container-registry-repository-scoped-permissions.md

@@ -184,7 +184,7 @@ For the following examples, pull the `hello-world` and `alpine` images from Dock
 docker pull hello-world
 docker pull alpine
 docker tag hello-world myregistry.azurecr.io/samples/hello-world:v1
-docker tag hello-world myregistry.azurecr.io/alpine:v1
+docker tag hello-world myregistry.azurecr.io/samples/alpine:v1
 ```
 
 ### Authenticate using token