Fix typo

Changes Example to Example

README.md

@@ -804,7 +804,7 @@ def some_func(default_arg=[]):
     (['some_string', 'some_string'],)
     ```
 
-- A common practice to avoid bugs due to mutable arguments is to assign `None` as the default value and later check if any value is passed to the function corresponding to that argument. Examlple:
+- A common practice to avoid bugs due to mutable arguments is to assign `None` as the default value and later check if any value is passed to the function corresponding to that argument. Example:
 
     ```py
     def some_func(default_arg=None):