diff --git a/src/numpydantic/interface/interface.py b/src/numpydantic/interface/interface.py
index f89b08b..832fe83 100644
--- a/src/numpydantic/interface/interface.py
+++ b/src/numpydantic/interface/interface.py
@@ -62,7 +62,7 @@ class Interface(ABC, Generic[T]):
         * :meth:`.after_validation` - hook after validation for modifying the array
             that is set as the model field value
 
-        Follow the method signatures and return types to override 
+        Follow the method signatures and return types to override.
 
         Implementing an interface subclass largely consists of overriding these methods
         as needed.