You could add/modify the value for a column so that it does not display "MPEG-4 AAC LC ADTS" but as "AACplus":
$if($eql(%_tag_read%,'MPEG-4 AAC LC ADTS'),AACplus,%_tag_read%)
You can try to change the column definition for the column "Codec".
To display both aacPlus versions with the same name "aacPlus" edit the field "Value" to ...