diff --git a/samples/eks-cluster-prework/templates/eks-cluster-prework.template.yaml b/samples/eks-cluster-prework/templates/eks-cluster-prework.template.yaml
index b53c118..ba9438b 100644
--- a/samples/eks-cluster-prework/templates/eks-cluster-prework.template.yaml
+++ b/samples/eks-cluster-prework/templates/eks-cluster-prework.template.yaml
@@ -21,8 +21,8 @@ Resources:
         QSS3KeyPrefix: quickstart-amazon-eks/
         QSS3BucketRegion: us-east-1
         # Cluster properties
-	ProvisionBastionHost: Enabled
-	AccessCIDR: !Ref AccessCIDR
+        ProvisionBastionHost: Enabled
+        AccessCIDR: !Ref AccessCIDR
         NodeInstanceType: t3.large
         NumberOfNodes: 1
         MaxNumberOfNodes: 1
@@ -31,7 +31,7 @@ Resources:
     Properties:
       TemplateURL: 'https://aws-quickstart.s3.amazonaws.com/quickstart-examples/samples/eks-cluster-prework/templates/prework.template.yaml'
       Parameters:
-	ClusterName: !Sub "EKSStack.Outputs.EKSClusterName"
+	    ClusterName: !Sub "EKSStack.Outputs.EKSClusterName"
         PreworkScriptBucket: "aws-quickstart"
         PreworkScriptObject: "quickstart-examples/samples/eks-cluster-prework/scripts/pw-script.sh"
         JobName: "ExampleJob"