Question

Sang what is the modifying word​

Answer 1

$\text\red{Modifying \: word }$

☞Some common synonyms of modify are alter, change, and vary. While all these words mean "to make or become different," modify suggests a difference that limits, restricts, or adapts to a new purpose.

Answer 2

HERE IS YOUR ANSWER,

To change somewhat the form or qualities of; alter partially; amend

to modify a contract.