diff --git a/README.rst b/README.rst
index fb077df..6610516 100644
--- a/README.rst
+++ b/README.rst
@@ -267,7 +267,7 @@ Additional object properties
 ############################
 
 Any properties that are not specified as either required or optional are allowed
-by default. This default can be overriden by calling ``parsing`` with
+by default. This default can be overridden by calling ``parsing`` with
 ``additional_properties=``
 
 - ``False`` to disallow all additional properties
diff --git a/valideer/base.py b/valideer/base.py
index 0a4daa0..eca488a 100644
--- a/valideer/base.py
+++ b/valideer/base.py
@@ -253,7 +253,7 @@ def is_valid(self, value):
     def error(self, value):
         """Helper method that can be called when ``value`` is deemed invalid.
 
-        Can be overriden to provide customized :py:exc:`ValidationError` subclasses.
+        Can be overridden to provide customized :py:exc:`ValidationError` subclasses.
         """
         raise ValidationError("must be %s" % self.humanized_name, value)