If you mean correct as in accurate or "to be right" about something then use the "RIGHT" sign:
If you mean "correct" as in to grade papers or to provide critique then use the
sign "CANCEL / criticize / to correct" -- which can be
used in context to mean:
- indicate errors in, show mistakes in, point out faults in
- tell (someone) that they are mistaken
Sample sentence: If I sign something wrong, correct me.
Notes:
See: WRONG
See: APPROPRIATE
See: TRUE
See: STRICT
Notes:
If you mean "correct" as in "I corrected (fixed) my mistakes" you have a number
of sign choices or possibilities depending on the situation. Here are a few
suggestions:
IMPROVE
incremental-IMPROVE
ADJUST ( https://youtu.be/57ngmG53xB4 )
FIX (to fix something I built or created)
SOLVE
BETTER NOW
STOP (as in stopped doing the "bad" thing)
Notes: