pkgmkr(master) $ grep field.help -r templates/
templates/plugin/PluginClass.php.tpl:                           'help' => '{{$field.help}}',
templates/plugin/graph/graph_PluginClass.php.tpl:                               'help' => '{{$field.help}}',
templates/content/edit/edit_field.tpl:            {textarea label="{{$field.name}}" error=$errors.{{$fieldName}} help="{{$field.help}}" noformat="true" id="{{$fieldId}}" name="{{$namespace}}[{{$fieldName}}]" rows="{{$field.input.rows|default:"20"}}"}{{if $inputValue}}{{$inputValue}}{{else}}{$gContent->getField('{{$fieldName}}')}{{/if}}{/textarea}
templates/content/edit/edit_field.tpl:  {formhelp note="{{$field.help}}"}
templates/content/class/TypeClass.php.tpl:                              'help' => '{{$field.help}}',
templates/content/class/TypeClass.php.tpl:                              'help' => '{{$field.help}}',
templates/service/ServiceClass.php.tpl:                         'help' => '{{$field.help}}',
templates/service/ServiceClass.php.tpl