need a 1 minute help in code

this is the code that sends email - ( its a wordpress plugin) i have tried a lot of things but in email it goes in one line, i just need to add a new line in the text. thats all
i have tried /r/n /n , \n , <br> , . <br> . , nothing seems to work it just renders literally , ( <br> shows as <br> instead of doing a line break.


$message = sprintf( esc_html__('Hello! Course %s is now available to learn. To complete the course, you must take all the modules and submit course projects. To...

need a 1 minute help in code

from Programming https://ift.tt/36sNgvQ
via IFTTT