Add some clearer notes.
Add some clearer notes.

eodolphi/jsonschema,python-jsonschema/jsonschema,Julian/jsonschema,mathewmarcus/jsonschema,eodolphi/jsonschema,Julian/jsonschema,varunarya10/jsonschema,sightmachine/jsonschema,dnephin/jsonschema,jamesmarva/jsonschema