Misline

If the addition was in verse, he might set it up as prose or misline it, placing perhaps too many or too few feet in a line and thus throwing out the whole arrangement of the verse.

Source: wiktionary

The author apparently mislined his verse here, as both texts place the words at the end of l. 60 but correctly end l. 61 with 'weepe'

Source: wiktionary

Both compositors had some difficulty with lineation, but X mislined his copy only eight times whereas Y mislined his stint twenty-two times, often in more serious ways.

Source: wiktionary