diff --git a/documentation/quickstart-cluster.md b/documentation/quickstart-cluster.md
index a07b8bf..431380d 100644
--- a/documentation/quickstart-cluster.md
+++ b/documentation/quickstart-cluster.md
@@ -118,7 +118,7 @@ workloads by running the following:
 
 :hand: Note we are using `sudo` because we need to be root to access the
 kube config for this node. This behavior can be changed with specifying
-`write-kubeconfig-mode: 0644` in `k3s_server`.
+`write-kubeconfig-mode: '0644'` in `k3s_server`.
 
 **Get Nodes**:
 
diff --git a/documentation/quickstart-ha-cluster.md b/documentation/quickstart-ha-cluster.md
index 1b0291f..23fb271 100644
--- a/documentation/quickstart-ha-cluster.md
+++ b/documentation/quickstart-ha-cluster.md
@@ -126,7 +126,7 @@ ready to execute our Kubernetes workloads by running the following:
 
 :hand: Note we are using `sudo` because we need to be root to access the
 kube config for this node. This behavior can be changed with specifying
-`write-kubeconfig-mode: 0644` in `k3s_server`.
+`write-kubeconfig-mode: '0644'` in `k3s_server`.
 
 **Get Nodes**:
 
diff --git a/documentation/quickstart-single-node.md b/documentation/quickstart-single-node.md
index 9597083..1069090 100644
--- a/documentation/quickstart-single-node.md
+++ b/documentation/quickstart-single-node.md
@@ -96,7 +96,7 @@ ready to execute our Kubernetes workloads by running the following:
 
 :hand: Note we are using `sudo` because we need to be root to access the
 kube config for this node. This behavior can be changed with specifying
-`write-kubeconfig-mode: 0644` in `k3s_server`.
+`write-kubeconfig-mode: '0644'` in `k3s_server`.
 
 **Get Nodes**: