Why there are two versions of Ishopnishad?

QuestionsCategory: QuestionsWhy there are two versions of Ishopnishad?
Anonymous asked 9 years ago

Namaste Acharya ji
Swami Dayanand’s version has 17 mantras in Ishopnishad and Srila Prabhupada’s version(Iskcon) has 18 mantras. What is the reason of having two versions of Ishopnishad? And How does that affects our beliefs?