The phrase "alter or modify" is correct and usable in written English.
It can be used when discussing changes or adjustments made to something, such as a document, design, or process.
Example: "We need to alter or modify the existing plan to better suit our current needs."
Alternatives: "change or adjust" or "revise or amend".
Cornell Law School reserves the right to alter or modify the program if, for example, a course is under-enrolled or a professor is ill.
The meta-analysis suggested that 14% of researchers in the underlying studies had seen their colleagues fabricate, falsify, alter or modify data.
(2) No provision in this section may be construed to alter or modify any other provision of law establishing specific eligibility criteria for certain hospital care, medical services, or extended care services.
And that complete justice might be done, the court was invested with power, not simply to approve and confirm the report of the board, but to refer it back with directions to alter or modify the same in the particulars specified by the court.
The court shall have power to approve and confirm said report, or refer the same back to said board, with directions to alter or modify the same in the particulars specified by the court in the order referring the same back, and thereupon the said board shall proceed to make the alterations and modifications specified in the order of said court.
Since the size and structure of nanoparticles have different properties from their salt or bulk material, they drastically alter or modify the physicochemical properties [134, 135].
"(B) hardware or software used for altering or modifying telecommunications instruments to obtain unauthorized access to telecommunications services, or".
It is said that the county court was without power to adjudge the statute to be unconstitutional, and had no discretio, e xcept to confirm the report, or to require it to be altered or modified.
By design, the TED cannot be altered or modified once it has been configured and issued by the enterprise.
Further classes are defined by metaphors and by several expressions that are somehow altered or modified, e.g., newly coined expressions (pepoiêmena), composite expressions (especially new or unusual compositions (ta dipla)), and lengthened, shortened or otherwise altered expressions.
Said Bathgate, "One benefit of building your own CNC equipment is that it is readily altered or modified to perform a necessary task that maybe it is not currently capable of".
