diff --git a/cluster-autoscaler/cloudprovider/aws/README.md b/cluster-autoscaler/cloudprovider/aws/README.md
index 532a5d8136..27f640c8a1 100644
--- a/cluster-autoscaler/cloudprovider/aws/README.md
+++ b/cluster-autoscaler/cloudprovider/aws/README.md
@@ -18,6 +18,7 @@ A minimum IAM policy would look like:
             "Action": [
                 "autoscaling:DescribeAutoScalingGroups",
                 "autoscaling:DescribeAutoScalingInstances",
+                "autoscaling:DescribeLaunchConfigurations",
                 "autoscaling:SetDesiredCapacity",
                 "autoscaling:TerminateInstanceInAutoScalingGroup"
             ],
@@ -38,6 +39,7 @@ If you'd like to auto-discover node groups by specifying the `--node-group-auto-
             "Action": [
                 "autoscaling:DescribeAutoScalingGroups",
                 "autoscaling:DescribeAutoScalingInstances",
+                "autoscaling:DescribeLaunchConfigurations",
                 "autoscaling:DescribeTags",
                 "autoscaling:SetDesiredCapacity",
                 "autoscaling:TerminateInstanceInAutoScalingGroup"