Update _help.py

Author: Jing-song

src/azure-cli/azure/cli/command_modules/vm/_help.py

@@ -1545,11 +1545,14 @@
 examples:
   - name: Set applications for vm
     text: az vm application set -g MyResourceGroup -n MyVm --app-version-ids /subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication1/versions/1.0 \
-/subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication2/versions/1.1
+/subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication1/versions/1.1
   - name: Set applications of a vm with config
     text: az vm application set -g MyResourceGroup -n MyVm --app-version-ids /subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication1/versions/1.0 \
-/subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication2/versions/1.1 \
+/subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication1/versions/1.1 \
 --app-config-overrides https://mystorageaccount.blob.core.windows.net/configurations/settings.config null
+  - name: Set applications for vm with auto upgrade
+    text: az vm application set -g MyResourceGroup -n MyVm --app-version-ids /subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication1/versions/1.0 \
+/subscriptions/subid/resourceGroups/MyResourceGroup/providers/Microsoft.Compute/galleries/myGallery1/applications/MyApplication2/versions/1.1 --enable-automatic-upgrade True False
 """
 
 helps['vm application list'] = """