Translating 'Actions'

Hi!

I need some help translating one last bit of the plugin that doesn’t seem to get translated when I use Poedit.

(Screenshot) http://s11.postimg.org/uawk2yofn/Screen_Shot_2013_04_29_at_19_26_08.png

Where in the code – or how do I translate the part in the red square? Poedit doesn’t do the job.

Thanks.

http://wordpress.org/extend/plugins/wp-bulletin-board/