fix readme

Author: giometrix

README.md

@@ -142,7 +142,7 @@ property name and the value is a `PropertyConverter`, which specifies how to con
 
 ```c#
 var propertyConverters = new PropertyConverters<Car> {
-    [nameof(car.ReleaseDate)] =
+    [nameof(Car.ReleaseDate)] =
         new PropertyConverter<Car>(x => 
                 new EntityProperty(car.ReleaseDate.ToString("yyyy-M-d")),
             (c,p) =>c.ReleaseDate = DateTime.Parse(p.StringValue)

src/TableStorage.Abstractions.UnitTests/EntityConvertTests.cs

@@ -532,7 +532,7 @@ public void convert_to_entity_table_custom_serialized_property()
 			};
 
 			var propertyConverters = new PropertyConverters<Car> {
-				[nameof(car.ReleaseDate)] =
+				[nameof(Car.ReleaseDate)] =
 					new PropertyConverter<Car>(x => 
 							new EntityProperty(car.ReleaseDate.ToString("yyyy-M-d")),
 						(c,p) =>c.ReleaseDate = DateTime.Parse(p.StringValue)