Merge pull request #6667 from hashicorp/fix_4538

Update docs to clarify keep_registered defaults

website/source/docs/builders/vmware-iso.html.md.erb

@@ -344,10 +344,9 @@ builder.
     section below for more info.
 
 -   `keep_registered` (boolean) - Set this to `true` if you would like to keep
-    the VM registered with the remote ESXi server. This is convenient if you
-    use packer to provision VMs on ESXi and don't want to use ovftool to
-    deploy the resulting artifact (VMX or OVA or whatever you used as `format`).
-    Defaults to `false`.
+    the VM registered with the remote ESXi server. If you do not need to export
+    the vm, then also set `skip_export: true` in order to avoid an unnecessary
+    step of using ovftool to export the vm. Defaults to `false`.
 
 -   `ovftool_options` (array of strings) - Extra options to pass to ovftool
     during export. Each item in the array is a new argument. The options