There is a sign like "roof" or two "two hands asking something" which used in handwriting and in case that someone forgot to write a word, then he put this sign and above it the missed word or the adding. What is called in English?
I attached an example. The sign here is in red color.
Although what you're showing in your example is understandable, what you are probably looking for is called a
and marks an insertion point for letters or words.
Strictly speaking, in the proofreading / copy editing world, the caret appears below the typed line and points upwards, and the handwritten edited text appears above the typed line
