Modify: 1- to change sth slightly, especially in order to make it more suitable for a particular purpose synonym = adapt 2- to make sth less extreme synonym =adjust ..................................................... Revise : 1- to change your opinions or plans, for example because of sth you have learned examples: I can see I will have to revise my opinions of his abilities now. The government may need to revise its policy in the light of this report. 2- to change sth, such as a book or an estimate, in order to correct or improve it. examples : a revised edition of a textbook I’ll prepare a revised estimate for you. We may have to revise this figure upwards.

Don't modify the answer, just revise the wording. :P

Revise means 1.Make revisions in "revise a thesis" 2.Revise or reorganize, especially for the purpose of updating and improving While modify refers to 1.Make less severe or harsh or extreme "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"3 2.Add a modifier to a constituent 3.Cause to change; make different; cause a transformation cowboy...

revise= to look at something again and rectify if necessary, modify= to change something, technical or literal

Modify to upgrade technology, make improvements, make it better. To revise more used with written txt, thoughts, books etc. To revise to make corrections additions.