Caveat (13)
'caveat' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for qualification that I've seen before include "Diploma" , "Relevant certificate" , "Proviso" , "Possibly a rider" , "evidence of capability?" .)
'caveat' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for warning that I've seen before include "Advance notice" , "Caution - threat" , "Message informing of danger" , "Previous notice" , "Tip-off" .)