runtyime type checking error example

README.md

@@ -24,7 +24,6 @@ class Person(TypedDict):
 person_validator = TypedDictValidator(Person)
 
 # Produce readable errors
-
 match person_validator({"name": "Guido"}):
     case Valid(string_list):
         print(f"woohoo, valid!")
@@ -45,6 +44,16 @@ list_string_validator = ListValidator(string_validator)
 def add(a: int, b: int) -> int:
     return a + b
 
+
+add(1, 2)  # returns 3
+
+add(1, "2")  # raises `InvalidArgsError`
+# koda_validate.signature.InvalidArgsError:
+# Invalid Argument Values
+# -----------------------
+# b='2'
+#     expected <class 'int'>
+
 ```
 
 There's much, much more... Check out the [Docs](https://koda-validate.readthedocs.io/en/stable/).