DOC: Update Harmonization-fields.md
DOC: Update Harmonization-fields.md

Signed-off-by: Sebastian Wagner <1b00c120e1c33c7e19a7cb69011b74f705830cf8@sebix.at>

certtools/intelmq,aaronkaplan/intelmq,certtools/intelmq,aaronkaplan/intelmq,certtools/intelmq,aaronkaplan/intelmq