Database
[{"CS_Currency":[{"name":"AUD"},{"name":"IVP"}],"TestRef":[{"name":"Reftest"},{"name":"Ref5"},{"name":"RefChanged"}],"Entity_Type_Value":[{"name":"Deal"},{"name":"No Deal"}],"_id":ObjectId("5a934e000102030405000000"),"key":1}]
Query
db.collection.update({"CS_Currency.name":"IVP","Entity_Type_Value.name":"Deal"},{$set:{"CS_Currency.$.name":"IVPChanged"}})