1. Quick solution:
From the section where you edit the text,
instead of this text 'Reinventing mealtime one scoop at a time'
you can try this 'Reinventing mealtime one <br>scoop at a time'
Then Save and check if it worked
2. Better way, If you are familiar with the theme code:
From Theme editor open file assets/theme.scss.liquid, find this line
then change it to
Then Save the file and check.