Location: "Comment" menu
You have the opportunity to add the format (bold, Italic or underline) to your own or smb else's comment.
Also you can combine different types of formatting, e.g. bold, Italic.
After selecting the effect please press the button "Apply".
"Format" is a permanent effect so it's applied only once for every comment and will last forever.
If you want to apply the format to some particular text of the comment you need to select a part of the text and click one of the buttons that appear (look at the picture below):
Formatting that you can apply to any comment:
Also you can add format to the comment of other commentator.There is an opportunity to apply bold, Italic or underline format to the selected text (look at the picture):