reenable patch serverside using strategic-merge-patch

docs/kubectl_update.md

@@ -21,6 +21,9 @@ $ kubectl update -f pod.json
 
 // Update a pod based on the JSON passed into stdin.
 $ cat pod.json | kubectl update -f -
+
+// Partially update a node using strategic merge patch
+kubectl --api-version=v1 update node k8s-node-1 --patch='{"spec":{"unschedulable":true}}'
 ```
 
 ### Options
@@ -28,6 +31,7 @@ $ cat pod.json | kubectl update -f -
 ```
   -f, --filename=[]: Filename, directory, or URL to file to use to update the resource.
   -h, --help=false: help for update
+      --patch="": A JSON document to override the existing resource. The resource is downloaded, patched with the JSON, then updated.
 ```
 
 ### Options inherited from parent commands
@@ -62,6 +66,6 @@ $ cat pod.json | kubectl update -f -
 ### SEE ALSO
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager
 
-###### Auto generated by spf13/cobra at 2015-05-29 01:11:24.431126385 +0000 UTC
+###### Auto generated by spf13/cobra at 2015-06-18 19:03:00.935576604 +0000 UTC
 
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