Update README to document Prometheus changes.

README.md

@@ -137,7 +137,7 @@ After GitLab is up and running, you will be able to connect to the Prometheus co
 https://prometheus.<wildcard-dns-entry>/
 ```
-It will monitor the system resources of the GitLab container, providing insight into metrics like CPU, memory, and throughput.
+It will monitor the system resources of the GitLab container, providing insight into metrics like CPU, memory, and throughput. It is also configured to collect metrics from all Nodes in the Kubernetes cluster.
 Sample Prometheus queries:
 * % Memory Used: `(1 - ((node_memory_MemFree + node_memory_Cached) / node_memory_MemTotal)) * 100`
@@ -145,6 +145,8 @@ Sample Prometheus queries:
 * Data Transmitted: `irate(node_network_transmit_bytes[5m])`
 * Data Received: `irate(node_network_receive_bytes[5m])`
+Prometheus integration has also been enabled by default, utilizing the bundled Prometheus server.
+
 # Upgrading to a new version
 Upgrading your Kubernetes deployment of GitLab proves to be quite simple.
@@ -152,4 +154,3 @@ Upgrading your Kubernetes deployment of GitLab proves to be quite simple.
 * Fetch the latest `master` with `git checkout master && git pull`
 * Re-run the `generate.bash` with the same variables originally used.
 * Apply the updates YAML with `kubectl apply -f gitlab-{domain}.yml`
-