dot the i's and cross the t's

idiomPart ofdot

dot the i's and cross the t's — idiom

1. to pay very close attention to every small detail of something, especially when

1.idiom
Definition

to pay very close attention to every small detail of something, especially when finishing a piece of work to make sure everything is correct

Example

The editor spent the whole afternoon dotting the i's and crossing the t's on the manuscript.

Before we submit the proposal, we need to dot the i's and cross the t's on the budget section.