Description in bold

Hi, I want to make the first line of my description in BOLD by default. please help.

If you want to do it for field description then follow these steps
Go to customize form
Field - for which description to add ,in description box add description ,if you want to make it bold then add it in html tag like Description

Hi, I Need only first line in Bold as below

you can put it like this 0851hl


Hi, Thank you, but i wanted to put these for all the items am adding. is there any way to make the first line of the description is always bold