The English text, which was translated, was: -Read the rest of this entry-
So I’ll leave that entry unchanged in the language file, which is distributed together with the theme.
Whenever the theme is updated, the language file will automatically be replaced, so you may want to keep a copy of the file you’ve just fixed. (And, after a while, when new things appear in the theme, you may have to redo the same type of edit you just did.)
Please let me know if you find any errors in the Swedish translation. I’ll be grateful and happy to correct.
Oh, did you know, that for this particular case (the MORE button) you can replace the text being shown automatically, by entering an alternative text directly in your html? Like this: <!--more See the rest of this article, including nice pictures and embedded video! -->
Tobi