Proofreader's catch (4)
'proofreader's catch' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for error that I've seen before include "Slip-up" , "1 down" , "Howler" , "Bloomer, blunder" , "Mistake from terrorist" .)
'proofreader's catch' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for typo that I've seen before include "literal, perhaps" , "Printer's error" , "Printer's mistake" , "Mistake in printed matter, in short" , "What's not right" .)