[skip ci] - Igor feedback

Author: jaidisido

tutorials/035 - Distributing Calls on Ray Remote Cluster.ipynb

@@ -46,7 +46,7 @@
     "\n",
     "#### Build Prerequisite Infrastructure\n",
     "\n",
-    "Click on the button below to provision an AWS CloudFormation stack. It builds a security group and IAM instance profile for the Ray Cluster to use. A valid CIDR range (encompassing your local machine IP) and a VPC ID are required.\n",
+    "Click on the link below to provision an AWS CloudFormation stack. It builds a security group and IAM instance profile for the Ray Cluster to use. A valid CIDR range (encompassing your local machine IP) and a VPC ID are required.\n",
     "\n",
     "[<img src=\"https://s3.amazonaws.com/cloudformation-examples/cloudformation-launch-stack.png\">](https://console.aws.amazon.com/cloudformation/home#/stacks/new?stackName=RayPrerequisiteInfra&templateURL=https://aws-data-wrangler-public-artifacts.s3.amazonaws.com/cloudformation/ray-prerequisite-infra.json)\n",
     "\n",
@@ -77,7 +77,7 @@
    "source": [
     "Replace all values to match your desired region, account number and name of resources deployed by the above CloudFormation Stack.\n",
     "\n",
-    "[Click here](https://console.aws.amazon.com/ec2/home?region=us-east-1#Images:visibility=public-images;search=:ray-amzn-wheels_latest_amzn_ray-1.9.2-cp38;v=3;$case=tags:false%5C,client:false;$regex=tags:false%5C,client:false) to find the correct Ray AMI by switching to your desired region. The example configuration below uses the AMI for `us-east-1`\n",
+    "A limited set of AWS regions is currently supported (Python 3.8 and above). Find the corresponding Ray AMI IDs [here](https://github.com/amzn/amazon-ray/#amazon-ray-imagese). The example configuration below uses the AMI for `us-east-1`.\n",
     "\n",
     "Then edit `config.yml` file with your custom configuration."
    ]
@@ -114,6 +114,11 @@
     "        Arn: arn:aws:iam::{ACCOUNT ID}:instance-profile/ray-cluster\n",
     "      # Replace ImageId if using a different region / python version\n",
     "      ImageId: ami-0ea510fcb67686b48\n",
+    "      TagSpecifications:  # Optional tags\n",
+    "        - ResourceType: \"instance\"\n",
+    "          Tags:\n",
+    "              - Key: Platform\n",
+    "                Value: \"ray\"\n",
     "\n",
     "  ray.worker.default:\n",
     "      min_workers: 2\n",
@@ -125,6 +130,11 @@
     "          Arn: arn:aws:iam::{ACCOUNT ID}:instance-profile/ray-cluster\n",
     "        # Replace ImageId if using a different region / python version\n",
     "        ImageId: ami-0ea510fcb67686b48\n",
+    "        TagSpecifications:  # Optional tags\n",
+    "          - ResourceType: \"instance\"\n",
+    "            Tags:\n",
+    "                - Key: Platform\n",
+    "                  Value: \"ray\"\n",
     "\n",
     "\n",
     "setup_commands:\n",
@@ -141,7 +151,7 @@
    "source": [
     "#### Provision Ray Cluster\n",
     "\n",
-    "The command below creates a Ray cluster in your account based on the aforementioned config file. It consists of one head node and 2 workers (m4xlarge EC2s)."
+    "The command below creates a Ray cluster in your account based on the aforementioned config file. It consists of one head node and 2 workers (m4xlarge EC2s). The command takes a few minutes to complete."
    ]
   },
   {