How to create a new line using bootstrap in asp.net mvc checkboxFor?

Hi Team

 

I have create a new checkboxFor, the problem i cant create a new line using bootstrap class. To allow align of the new class. They seem scewed and have this below logic on my Razor in chtml.   

                              

                            class="form-group row">  

                              

                                @Html.CheckBoxFor(model => model.DietMain.Vegetarian, new { @class="col-sm-2" })  

                                
  

                                for="Vegetarian">Vegetarian