add jsonpath to kubectl

docs/user-guide/kubectl/kubectl_annotate.md

@@ -81,13 +81,13 @@ $ kubectl annotate pods foo description-
       --all[=false]: select all resources in the namespace of the specified resource types
   -h, --help[=false]: help for annotate
       --no-headers[=false]: When using the default output, don't print headers.
-  -o, --output="": Output format. One of: json|yaml|template|templatefile|wide.
+  -o, --output="": Output format. One of: json|yaml|template|templatefile|wide|jsonpath.
       --output-version="": Output the formatted object with the given version (default api-version).
       --overwrite[=false]: If true, allow annotations to be overwritten, otherwise reject annotation updates that overwrite existing annotations.
       --resource-version="": If non-empty, the annotation update will only succeed if this is the current resource-version for the object. Only valid when specifying a single resource.
   -a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
       --sort-by="": If non-empty, sort list types using this field specification.  The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
-  -t, --template="": Template string or path to template file to use when -o=template or -o=templatefile.  The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]
+  -t, --template="": Template string or path to template file to use when -o=template, -o=templatefile or -o=jsonpath.  The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview]. The jsonpath template is composed of jsonpath expressions enclosed by {}
 ```
 
 ### Options inherited from parent commands