diff --git a/job-master.yaml b/job-master.yaml
index 6c827ef95cac15e11f5a3b8151d2efb9e311a75e..7219af8643d5cf291c117320b74212b6cc83ff9d 100644
--- a/job-master.yaml
+++ b/job-master.yaml
@@ -21,6 +21,8 @@ spec:
           mountPath: /var/lib/etcd
         - name: etc-kubernetes
           mountPath: /etc/kubernetes
+          # /usr/bin is mounted to access kubectl / kubelet, for auto-detecting the Kubernetes version. 
+          # You can omit this mount if you specify --version as part of the command.
         - name: usr-bin
           mountPath: /usr/bin
       restartPolicy: Never
@@ -33,4 +35,4 @@ spec:
           path: "/etc/kubernetes"
       - name: usr-bin
         hostPath:
-          path: "/usr/bin"
\ No newline at end of file
+          path: "/usr/bin"
diff --git a/job-node.yaml b/job-node.yaml
index e35c5bd315501aa70e8ab8b2a560fb61dc2e06e1..81767bbf90600e9e1df6212fb82597e03893f6a0 100644
--- a/job-node.yaml
+++ b/job-node.yaml
@@ -17,6 +17,8 @@ spec:
           mountPath: /etc/systemd
         - name: etc-kubernetes
           mountPath: /etc/kubernetes
+          # /usr/bin is mounted to access kubectl / kubelet, for auto-detecting the Kubernetes version. 
+          # You can omit this mount if you specify --version as part of the command.           
         - name: usr-bin
           mountPath: /usr/bin
       restartPolicy: Never
@@ -32,4 +34,4 @@ spec:
           path: "/etc/kubernetes"
       - name: usr-bin
         hostPath:
-          path: "/usr/bin"
\ No newline at end of file
+          path: "/usr/bin"