diff --git a/accountant/api/views/accounts.py b/accountant/api/views/accounts.py
index 80e4862..cb1e03f 100644
--- a/accountant/api/views/accounts.py
+++ b/accountant/api/views/accounts.py
@@ -32,7 +32,7 @@ from ..fields import Object
 from .users import requires_auth
 
 
-resource_fields = {
+account_model = {
     'id': fields.Integer(default=None),
     'name': fields.String,
     'authorized_overdraft': fields.Float,
@@ -58,7 +58,7 @@ date_parser.add_argument('end',
 
 class AccountListResource(Resource):
     @requires_auth
-    @marshal_with_field(fields.List(Object(resource_fields)))
+    @marshal_with_field(fields.List(Object(account_model)))
     def get(self):
         """
         Returns accounts with their balances.
@@ -66,7 +66,7 @@ class AccountListResource(Resource):
         return Account.query().all(), 200
 
     @requires_auth
-    @marshal_with_field(Object(resource_fields))
+    @marshal_with_field(Object(account_model))
     def post(self):
         """
         Create a new account.
@@ -88,7 +88,7 @@ class AccountListResource(Resource):
 
 class AccountResource(Resource):
     @requires_auth
-    @marshal_with_field(Object(resource_fields))
+    @marshal_with_field(Object(account_model))
     def get(self, id):
         """
         Get account.
@@ -105,7 +105,7 @@ class AccountResource(Resource):
             return None, 404
 
     @requires_auth
-    @marshal_with_field(Object(resource_fields))
+    @marshal_with_field(Object(account_model))
     def post(self, id):
         data = parser.parse_args()
 
@@ -130,7 +130,7 @@ class AccountResource(Resource):
         ).one(), 200
 
     @requires_auth
-    @marshal_with_field(Object(resource_fields))
+    @marshal_with_field(Object(account_model))
     def delete(self, id):
         # Need to get the object to update it.
         account = db.session.query(Account).get(id)
@@ -153,23 +153,23 @@ range_parser.add_argument('begin', type=lambda a: dateutil.parser.parse(a))
 range_parser.add_argument('end', type=lambda a: dateutil.parser.parse(a))
 
 
-category_resource_fields = {
+category_model = {
     'category': fields.String,
     'expenses': fields.Float,
     'revenues': fields.Float
 }
 
 
-class CategoriesResource(Resource):
+class CategoryResource(Resource):
     @requires_auth
-    @marshal_with_field(fields.List(Object(category_resource_fields)))
+    @marshal_with_field(fields.List(Object(category_model)))
     def get(self):
         data = range_parser.parse_args()
 
         return Operation.get_categories_for_range(**data).all(), 200
 
 
-ohlc_resource_fields = {
+ohlc_model = {
     'operation_date': fields.DateTime(dt_format='iso8601'),
     'open': fields.Float,
     'high': fields.Float,
@@ -178,14 +178,13 @@ ohlc_resource_fields = {
 }
 
 
-class SoldsResource(Resource):
+class OHLCResource(Resource):
     @requires_auth
-    @marshal_with_field(fields.List(Object(ohlc_resource_fields)))
     def get(self):
         data = range_parser.parse_args()
 
         return Operation.get_ohlc_per_day_for_range(**data).all(), 200
 
 
-api.add_resource(CategoriesResource, "/categories")
-api.add_resource(SoldsResource, "/solds")
+api.add_resource(CategoryResource, "/categories")
+api.add_resource(OHLCResource, "/solds")