minor edits to formatting

source/handbook/hiring/confidential-information.md

 # Confidential information needed 
 
-* Given names/First name
+* Given name/First name
 
-*  Middle name 
+* Middle name 
 
 * Family name/Last name
 
 * Home address
 
-* Partner/Domestic Partner/Spouse
+* Partner/Domestic Partner/Spouse: first and last name
 
 * Your birthdate/DOB: year/month/day
 
+* Country of citizenship
+
 * Social security number or your country ID number
 
 * Passport number
  
 * Issued/date as written in passport
 
-* Validity/expiration: date as written in the passport
+* Validity/expiration date as written in the passport
 
 * Name of bank, bank account number and routing number