Payment description left blank error

I want to leave my payment description blank.

For example, instead of:
BitPay
Paid by bitcoins

I want just:
BitPay

When I delete the space from the description in the BitPay plugin settings, it keeps "Paid by bitcoins" description. If I replace "Paid by bitcoins" with something else, it does change it.

How do I completely remove this description (I don't just want to enter a period or comma as a workaround)?

Thank you

Try one or two spaces.

Does not work. Deletes the spaces and returns the default description.

That works perfect, thanks caesar!