doc: fix link to memcached cr
@@ -62,7 +62,7 @@ resource is a cluster level resource.
**NOTE**: The {group} can be found by splitting the `apiVersion`
metadata of the CR, into `group` and `version`. As an example,
-[this apiVersion field](https://github.com/operator-framework/operator-sdk-samples/blob/master/ansible/memcached-operator/deploy/crds/cache_v1alpha1_memcached_cr.yaml#L1)
+[this apiVersion field](https://github.com/operator-framework/operator-sdk-samples/blob/master/ansible/memcached-operator/deploy/crds/cache.example.com_v1alpha1_memcached_cr.yaml#L1)
gives us the group `cache.example.com`.
**Example Annotation:**
