Update upgrade.md

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@ -140,12 +140,12 @@ kubectl -n ${NAMESPACE} delete settings.longhorn.rancher.io --all
## Install Longhorn v0.3
### Installed with Longhorn App v0.1 in Rancher 2.x
For Rancher users who are running Longhorn v0.1, *Do not click the upgrade button.*
For Rancher users who are running Longhorn v0.1, **do not click the upgrade button in the Rancher App.**
1. Delete the Longhorn App from `Catalog Apps` screen in Rancher UI. Launch
Longhorn App template version `0.3-rc4`.
2. Restore Longhorn System. This step is only required for Rancher users running Longhorn App `v0.1`.
Don't change the NAMESPACE variable below. Longhorn system will be installed in the `longhorn-system` namespace.
1. Delete the Longhorn App from `Catalog Apps` screen in Rancher UI.
2. Launch Longhorn App template version `0.3.0`.
3. Restore Longhorn System data. This step is required for Rancher users running Longhorn App `v0.1`.
Don't change the NAMESPACE variable below, since the newly installed Longhorn system will be installed in the `longhorn-system` namespace.
```
NAMESPACE=longhorn-system