One of the messages in .po file doesn’t show up
Looks like you may not be able to just add a pair to your .po file, without first adding it to the wordpress.pot file: http://codex.wordpress.org/Translating_WordPress#gettext_files. You’ll also need to compile your .po file into a .mo (Machine Object) file in order for your changes to take effect. I’m not certain that will work, but it … Read more