make docs

recipe for target 'verify-docs' failed

docs/helm/helm_template.md

@@ -26,6 +26,7 @@ helm template [flags] CHART
 
 ```
   -x, --execute stringArray      only execute the given templates
+      --is-upgrade               set .Release.IsUpgrade instead of .Release.IsInstall
       --kube-version string      kubernetes version used as Capabilities.KubeVersion.Major/Minor (default "1.9")
   -n, --name string              release name (default "RELEASE-NAME")
       --name-template string     specify template used to name the release
@@ -51,4 +52,4 @@ helm template [flags] CHART
 ### SEE ALSO
 * [helm](helm.md)	 - The Helm package manager for Kubernetes.
 
-###### Auto generated by spf13/cobra on 9-Mar-2018
+###### Auto generated by spf13/cobra on 22-May-2018