diff --git a/docs/webapp/applications/apps_aws_autoscaler.md b/docs/webapp/applications/apps_aws_autoscaler.md
index 1e7e0495..76741b93 100644
--- a/docs/webapp/applications/apps_aws_autoscaler.md
+++ b/docs/webapp/applications/apps_aws_autoscaler.md
@@ -49,6 +49,9 @@ For more information about how autoscalers work, see [Autoscalers Overview](../.
     * Availability Zone - The [EC2 availability zone](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.RegionsAndAvailabilityZones.html#Concepts.RegionsAndAvailabilityZones.AvailabilityZones) 
       to launch this resource in
     * AMI ID - The AWS AMI to launch
+    :::note AMI prerequisites
+    The AMI used for the autoscaler must include docker runtime and virtualenv 
+    :::
     * Max Number of Instances - Maximum number of concurrent running instances of this type allowed
     * Monitored Queue - Queue associated with this instance type. The tasks enqueued to this queue will be executed on 
       instances of this type
diff --git a/docs/webapp/applications/apps_gcp_autoscaler.md b/docs/webapp/applications/apps_gcp_autoscaler.md
index 3f6ab85e..b0415898 100644
--- a/docs/webapp/applications/apps_gcp_autoscaler.md
+++ b/docs/webapp/applications/apps_gcp_autoscaler.md
@@ -44,6 +44,9 @@ For more information about how autoscalers work, see [Autoscalers Overview](../.
     * Max Number of Instances - Maximum number of concurrent running VM instances of this type allowed
     * Monitored Queue - Queue associated with this VM instance type. The tasks enqueued to this queue will be executed on VM instances of this type
     * Machine Image (optional) - The GCP machine image to launch 
+    :::note
+    The machine image used for the autoscaler must include docker runtime and virtualenv 
+    :::
     * Disc Size (in GB) (optional) 
     * \+ Add Item - Define another resource type
 * **Global Metadata** (optional) - GCP Metadata to be applied on all instances. Input comma separated key=value pairs (e.g. `"Owner=Admin,Foo=Bar"`).