diff --git a/runbooks/source/manually-delete-namespace-resources.html.md.erb b/runbooks/source/manually-delete-namespace-resources.html.md.erb
index c79b7f2d..903186bb 100644
--- a/runbooks/source/manually-delete-namespace-resources.html.md.erb
+++ b/runbooks/source/manually-delete-namespace-resources.html.md.erb
@@ -7,10 +7,9 @@ review_in: 6 months
 
 # Manually Delete Namespace Resources
 
-In the event that you need to manually delete a cloud-platform-environments namespace, for example production namespaces which our 
+In the event that you need to manually delete a cloud-platform-environments namespace, for example production namespaces which our
 namespace-deleter pipeline is configured to skip, you can do so by following the steps below.
 
-
 ## Prerequisites
 
 Ensure you have the following installed on your machine:
@@ -21,13 +20,12 @@ Ensure you have the following installed on your machine:
 
 ## Environment Variables
 
-In addition to having your AWS profile configured, the following environment variables must be set before executing a 
+In addition to having your AWS profile configured, the following environment variables must be set before executing a
 namespace deletion:
 
 ```bash
 TF_VAR_cluster_name           # e.g. "cp-1902-02" to get the vpc details for some modules like rds, es
 TF_VAR_cluster_state_bucket   # State where the cluster state is stored
-TF_VAR_cluster_state_key      # folder name/state key inside the state bucket where cluster state is stored
 TF_VAR_github_owner           # Github owner: ministryofjustice
 TF_VAR_github_token           # Personal access token with repo scope to push github action secrets
 TF_VAR_kubernetes_cluster     # Full name of the Cluster e.g. XXXXXX.gr7.eu-west2.eks.amazonaws.com
@@ -60,4 +58,4 @@ cloud-platform environment destroy \
     --skip-prod-destroy=true  # Set this flag to false to destroy namespace marked :is-production
 ```
 The command will then destroy all terraform and kubernetes resources associated with the namespace, and finally will delete
-the namespace itself.
\ No newline at end of file
+the namespace itself.