Update README.md

README.md

@@ -200,14 +200,16 @@ status and notarial role of a person.
 ### Data Fields
 
 - tokens: text tokens 
-- NE-MAIN: 
+- NE-MAIN: main entity type, i.e. person, place, Organization, ProperName
 - NE-PER-NAME: person name entity 
-- NE-PER-GENDER: ascribed gender of person
-- NE-PER-LEGAL-STATUS: 
-- NE-PER-ROLE
-- NE-ORG-BENEFICIARY
-- MISC
-- document_id
+- NE-PER-GENDER: ascribed gender of the person
+- NE-PER-LEGAL-STATUS: legal status where known, i.e. Free(d), Enslaved, Unspecified
+- NE-PER-ROLE: The attribute Role refers to roles specific to testaments in notarial archives, which may take exactly one of the following
+values: Testator, Notary, Witness, Beneficiary, Acting Notary, Testator Beneficiary or Other
+- NE-ORG-BENEFICIARY: Organizations have the attribute Beneficiary which can take the value Yes or No depending on
+whether the testator decides an organization to be their beneficiary. 
+- MISC: other annotations not fitting into the above labels.
+- document_id: id for the document being annotated
 
 
 ### Data Splits