Fixed type-o in the metadata lookup and cleaned up comments

Chris Pomeroy

2019-04-17 4fe6cc3fa5cb88e69b74f33f40e9c3c053055dcc

 aaxConvert.py

@@ -54,7 +54,7 @@
    return bit_rate[:2]

def getmetacopyright():
    copyright = unicodedata.normalize('NFKD', metadata['format']['tag']['copyright']).encode('ascii','ignore')
    copyright = unicodedata.normalize('NFKD', metadata['format']['tags']['copyright']).encode('ascii','ignore')
    return copyright