Correct phrasing of branch time box

[tgross35]

The will branch from master part tends to throw me off when the date has already passed, such as now

This should fix that. Also switched to named format params for easier understanding

[nyurik]

hi @glebpom, there are a few good PRs pending, like this one. Please merge when you have a chance. Thanks! :)

[glebpom]

Thank you!