Fix broken link (#175)

Author: mayurkale22

utils/MonitoredResource.md

@@ -18,9 +18,9 @@ detect these resources.
   * container_name: The name of the container.
   * zone: The zone for the instance.
 * AWS_EC2_INSTANCE
-  * aws_account: The AWS account number for the instance.
+  * aws_account: The AWS account number for the VM.
   * instance_id: The VM instance identifier assigned by AWS.
-  * region: The AWS region for the cluster.
+  * region: The AWS region for the VM.
 
 ## How to automatically detect the Monitored Resource
 
@@ -79,6 +79,6 @@ The value return by the `instance-identity/document` metadata request is a docum
 [AWSMetadataIdentityDocument]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-identity-documents.html
 [DownwardAPI]: https://kubernetes.io/docs/tasks/inject-data-application/downward-api-volume-expose-pod-information/
 [GCPMetadata]: https://cloud.google.com/compute/docs/storing-retrieving-metadata
-[GCPMetadataJavaExmple]: https://github.com/GoogleCloudPlatform/google-cloud-java/blob/master/google-cloud-core/src/main/java/com/google/cloud/MetadataConfig.java
+[GCPMetadataJavaExmple]: https://github.com/GoogleCloudPlatform/google-cloud-java/blob/739d519e14649f8b7612631d90eed97a614bf93a/google-cloud-clients/google-cloud-core/src/main/java/com/google/cloud/MetadataConfig.java
 [K8SDocumentation]: https://cloud.google.com/kubernetes-engine/docs/tutorials/custom-metrics-autoscaling#exporting_metrics_from_the_application
 [K8SCodeSample]: https://github.com/GoogleCloudPlatform/kubernetes-engine-samples/blob/master/custom-metrics-autoscaling/direct-to-sd/sd_dummy_exporter.go