Error in the copy Charlie edited is "between you and I" perhaps (15)

'between you and i perhaps' is the definition.
(type of grammatical error)

'error in the copy charlie edited' is the wordplay.
'charlie' becomes 'c' (phonetic alphabet: alpha, bravo, charlie etc.).
'edited' indicates an anagram.
'error'+'in'+'the'+'copy'+'c'='errorinthecopyc'
'errorinthecopyc' is an anagram of 'HYPERCORRECTION'.

'is' is the link.