Lessons out of order

In importing lessons to create a course, I accidentally got two lessons out of order. I´ve fixed the problem on my Mac laptop but on my iphone they remain out of order. How can I fix this problem?

edit: Turns out the lessons are in the correct order in the edit course screen but out of order on both Mac and iphone when I look in the library.

It has all righted itself. I guess I got too impatient.