How to add line-height code for Rich Editor content manager text?

Please help!

I have dynamic pages with text box. I need to make line spacing bigger. I´ve tried this code froma above:

$w.onReady(()=>{    $w("#dynamicDataset").onReady(()=>{        $w("#teamRepeater").onItemReady($item =>{            $item("#shortDescription").html =        $item("#shortDescription").html.replace(">",` style="line-height:2em">`)})})})

but I don´t have a repeater and I can´t configure how to change the code to work to make line spacing bigger for the text.

I´m using rich text field in the database, field name: description.

Thank you in advance!