Somebody me help please! Is this sentece correct " I made some changes whenever necessary"

Or

"I made some changes where necessary "

Question

Somebody me help please! Is this sentece correct " I made some changes whenever  necessary"

Or

"I made some changes where necessary "

Answer

"I made some changes where necessary"

Answer

• I make some changes whenever necessary.

• I made some changes where necessary.

Answer

The second one is correct and more natural :)