diff --git a/packages/google-cloud-batch/README.md b/packages/google-cloud-batch/README.md
index 422e8e85324..4d53e321e60 100644
--- a/packages/google-cloud-batch/README.md
+++ b/packages/google-cloud-batch/README.md
@@ -44,7 +44,7 @@ Google APIs Client Libraries, in [Client Libraries Explained][explained].
 1.  [Select or create a Cloud Platform project][projects].
 1.  [Enable billing for your project][billing].
 1.  [Enable the Batch API][enable_api].
-1.  [Set up authentication with a service account][auth] so you can access the
+1.  [Set up authentication][auth] so you can access the
     API from your local workstation.
 
 ### Installing the client library
@@ -199,4 +199,4 @@ See [LICENSE](https://github.com/googleapis/google-cloud-node/blob/main/LICENSE)
 [projects]: https://console.cloud.google.com/project
 [billing]: https://support.google.com/cloud/answer/6293499#enable-billing
 [enable_api]: https://console.cloud.google.com/flows/enableapi?apiid=batch.googleapis.com
-[auth]: https://cloud.google.com/docs/authentication/getting-started
+[auth]: https://cloud.google.com/docs/authentication/external/set-up-adc-local
diff --git a/packages/google-cloud-batch/protos/google/cloud/batch/v1/job.proto b/packages/google-cloud-batch/protos/google/cloud/batch/v1/job.proto
index 7b3083fa60e..98c3b5b6f6e 100644
--- a/packages/google-cloud-batch/protos/google/cloud/batch/v1/job.proto
+++ b/packages/google-cloud-batch/protos/google/cloud/batch/v1/job.proto
@@ -423,7 +423,10 @@ message AllocationPolicy {
 
       // Name of an instance template used to create VMs.
       // Named the field as 'instance_template' instead of 'template' to avoid
-      // c++ keyword conflict.
+      // C++ keyword conflict.
+      //
+      // Batch only supports global instance templates.
+      // You can specify the global instance template as a full or partial URL.
       string instance_template = 2;
     }
 
diff --git a/packages/google-cloud-batch/protos/protos.json b/packages/google-cloud-batch/protos/protos.json
index 7116f6efa56..e7e042961d6 100644
--- a/packages/google-cloud-batch/protos/protos.json
+++ b/packages/google-cloud-batch/protos/protos.json
@@ -1,4 +1,7 @@
 {
+  "options": {
+    "syntax": "proto3"
+  },
   "nested": {
     "google": {
       "nested": {