Hello,
When module K2 comment is displayed OUTSIDE K2 environment, ie in regular joomla frontpage (no K2) for example, I have these annoying extra characters %s showing there :

[Text of comment]
Written by %s AuthorName
[Date]

Can't find where to correct it.

Inside K2, its OK.

anyone find the fix to this? i have the same problem, using rockettheme mynxx template and getting Written by %s "authorname" in comments

Found the fix...

modules/mod_k2_comments/tmpl/comments.php

'written by' should be 'WRITTEN_BY'

Great.

Thank you.