README.md in strong_json-2.1.0 vs README.md in strong_json-2.1.1

@@ -45,10 +45,10 @@
 
 If the input JSON data conforms to `order`'s structure, the `json` will be that value.
 
 If the input JSON contains attributes which is not white-listed in the definition, it will raise an exception.
 
-If an attribute has a value which does not match with given type, the `coerce` method call will raise an exception `StrongJSON::Type::Error`.
+If an attribute has a value which does not match with given type, the `coerce` method call will raise an exception `StrongJSON::Type::TypeError`.
 
 ## Catalogue of Types
 
 ### object(f1: type1, f2: type2, ...)