google apps script – Adding HTML into sendEmail

I’ve got an email that populates when the sheet is edited. But the body of the mail displays strange line breaks that aren’t in my code.

My code:

function processEdit(e) {
  MailApp.sendEmail({
    to:"me@gmail.com",
    subject: "The Saleable Indicator Report has been Updated",
    body: "Please go into the Parts Purchasing tab in the Saleable Indicator Report Folder and see the changes.nnMake sure to Supersede parts that are active in your branch to the new part numbers.nnThank you so much!"
  });
}

This should appear as:

Please go into the Parts Purchasing tab in the Saleable Indicator
Report Folder and see the changes.

Make sure to Supersede parts that are active in your branch to the new
part numbers.

Thank you so much!

But instead it comes out as this with the line breaks:

Please go into the Parts Purchasing tab in the Saleable Indicator
Report Folder and see the changes.

Make sure to Supersede parts that are active in your branch to the new part
numbers.

Thank you so much!

The line breaks between “Indicator – Report” and “part – numbers” aren’t supposed to be there. I’d like to be able to add other things to this, hyperlinks and things, but I’d settle for HTML so that the line breaks aren’t automatically entered when each line gets to a certain number of characters. Which I’ve read can only be done when you have an HTML body.

I am not savvy at this, but the videos and tutorials get me way off track since I’m not looking to send this to a lot of people or the names in the sheet.