How to change some strings in Theme Dashboard?

Example for english:

1. Copy file from application/n_views/lang/english_ntheme_lang.php
2. Rename zzz_ntheme_lang.php
3. Paste here: application/language/english/zzz_ntheme_lang.php
4. Edit zzz_ntheme_lang.php in language editor (/multi_language/index)