Update kube-jupyterhub.md

kube-jupyterhub.md

@@ -6,7 +6,7 @@ curl https://get.helm.sh/helm-v3.5.0-linux-amd64.tar.gz --output helm-v3.5.0-lin
 tar -zxvf helm-v3.5.0-linux-amd64.tar.gz
 mkdir -p /root/bin
 cp linux-amd64/helm /root/bin
-
+```
 
 The default helm installed by magnum:
 ```bash
@@ -15,13 +15,13 @@ echo $PATH
 
 /srv/magnum/bin/helm version
 version.BuildInfo{Version:"v3.2.1", GitCommit:"fe51cd1e31e6a202cba7dead9552a6d418ded79a", GitTreeState:"clean", GoVersion:"go1.13.10"}
-
+```
 
 The new installed helm in /root/bin
 ```bash
 helm version
 version.BuildInfo{Version:"v3.5.0", GitCommit:"32c22239423b3b4ba6706d450bd044baffdcf9e6", GitTreeState:"clean", GoVersion:"go1.15.6"}
-
+```
 The creation of volumes required by kube app can achieved :
 if csi-cinder-controllerplugin + csi-cinder-nodeplugin pods are running
 and if a dedicated storage class is created (storageclass.yaml)