<span class="slds-checkbox">
  {{#slds-control-identity as |formElementId|}}
    {{#if isRequired}}
      <abbr class="slds-required" title="required">*</abbr>
    {{/if}}
    <input 
      type="checkbox" 
      name={{name}} 
      id={{formElementId}} 
      checked={{isChecked}} 
      disabled={{isDisabled}} 
      onclick={{checked}} 
      aria-describedby={{if isError errorElementId}}/>
    <label class="slds-checkbox__label" for={{formElementId}}>
      <span class="slds-checkbox--faux"></span>
      <span class="slds-form-element__label">{{label}}</span>
    </label>
  {{/slds-control-identity}}
</span>