Related Clues:
- Deletion mark
- Sign of correction
- Proof of a rubout?
- Pop band that did a 1992 EP of ABBA covers
- Chalkboard correction
- Correction smudge
- Smudge on a test paper
- Acknowledgment of error?
- Blackboard activity
- Paper smudge
- Writing's opposite
- Sign of fallibility
- End of an error?
- Effacing
- Name-dropping, maybe