Update configure-redis-using-configmap.md

Fix missing configMap parent key

content/en/docs/tutorials/configuration/configure-redis-using-configmap.md

@@ -61,7 +61,7 @@ kubectl apply -f https://raw.githubusercontent.com/kubernetes/website/main/conte
 Examine the contents of the Redis pod manifest and note the following:
 
 * A volume named `config` is created by `spec.volumes[1]`
-* The `key` and `path` under `spec.volumes[1].items[0]` exposes the `redis-config` key from the 
+* The `key` and `path` under `spec.volumes[1].configMap.items[0]` exposes the `redis-config` key from the 
   `example-redis-config` ConfigMap as a file named `redis.conf` on the `config` volume.
 * The `config` volume is then mounted at `/redis-master` by `spec.containers[0].volumeMounts[1]`.