Complex sentence: In 2007 he said he had meant to use the word "agony", not "agonie"; in 2008 he said that, if he were editing the footage again, he would include that scene.
Split into simpler sentences: In 2007 he said he had meant to use the word "agony", not "agonie". In 2008 he said that, if he were editing the footage again, he would include that scene.