How Can I Change The Newsletter Success Message?

How Can I Change The Newsletter Success Message? Make First word Bold and Other sentence in next line like attached pic. Kindly tell me soon as possible.

@Arhamabbas

Sorry you are facing this issue, it would be my pleasure to help you.

Welcome to the Shopify community! :blush:
Thanks for your good question.

Please share your site URL,
I will check out the issue and provide you a solution here.

https://bymit-co-uk

Hi,

Your site can’t be reached.

Please checked it.

Thank you.

@Arhamabbas

sorry but your store doesn’t work can you please check.