Fixed typos: overriden to overridden
diff --git a/jinja2/sandbox.py b/jinja2/sandbox.py
index a1cbb29..c12d53a 100644
--- a/jinja2/sandbox.py
+++ b/jinja2/sandbox.py
@@ -114,7 +114,7 @@
"""Test if the attribute given is an internal python attribute. For
example this function returns `True` for the `func_code` attribute of
python objects. This is useful if the environment method
- :meth:`~SandboxedEnvironment.is_safe_attribute` is overriden.
+ :meth:`~SandboxedEnvironment.is_safe_attribute` is overridden.
>>> from jinja2.sandbox import is_internal_attribute
>>> is_internal_attribute(lambda: None, "func_code")