diff --git a/Batch/src/V1/AllocationPolicy/InstancePolicyOrTemplate.php b/Batch/src/V1/AllocationPolicy/InstancePolicyOrTemplate.php
index 1c67eddc43e6..c6dc0d5bb280 100644
--- a/Batch/src/V1/AllocationPolicy/InstancePolicyOrTemplate.php
+++ b/Batch/src/V1/AllocationPolicy/InstancePolicyOrTemplate.php
@@ -71,7 +71,9 @@ class InstancePolicyOrTemplate extends \Google\Protobuf\Internal\Message
      *     @type string $instance_template
      *           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.
      *     @type bool $install_gpu_drivers
      *           Set this field true if you want Batch to help fetch drivers from a third
      *           party location and install them for GPUs specified in
@@ -141,7 +143,9 @@ public function setPolicy($var)
     /**
      * 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.
      *
      * Generated from protobuf field <code>string instance_template = 2;</code>
      * @return string
@@ -159,7 +163,9 @@ public function hasInstanceTemplate()
     /**
      * 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.
      *
      * Generated from protobuf field <code>string instance_template = 2;</code>
      * @param string $var