diff --git a/docs/upgrade-from-v0.6.2-to-v0.7.0.md b/docs/upgrade-from-v0.6.2-to-v0.7.0.md
index 3d129af..c2253ec 100644
--- a/docs/upgrade-from-v0.6.2-to-v0.7.0.md
+++ b/docs/upgrade-from-v0.6.2-to-v0.7.0.md
@@ -11,7 +11,7 @@ The users need to follow this guide to upgrade from v0.6.2 to v0.7.0.
 
 ## Upgrade
 ### Use Rancher App
-1. Run the following command to avoid [this error](#error-the-storageclass-longhorn-is-invalid-provisioner-forbidden-updates-to-provisioner-are-forbidden):
+1. Run the following command to avoid [this 'updates to provisioner are forbidden' error](#error-longhorn-is-invalid-provisioner-forbidden-updates-to-provisioner-are-forbidden):
 ```
 kubectl delete -f https://raw.githubusercontent.com/longhorn/longhorn/v0.7.0/examples/storageclass.yaml
 ```
@@ -19,7 +19,7 @@ kubectl delete -f https://raw.githubusercontent.com/longhorn/longhorn/v0.7.0/exa
 3. Wait for the app to complete the upgrade.
 
 ### Use YAML file
-Use `kubectl apply https://raw.githubusercontent.com/longhorn/longhorn/v0.7.0/deploy/longhorn.yaml`
+Use `kubectl apply -f https://raw.githubusercontent.com/longhorn/longhorn/v0.7.0/deploy/longhorn.yaml`
 
 And wait for all the pods to become running and Longhorn UI working.