update docs for oaep
diff --git a/docs/hazmat/primitives/asymmetric/padding.rst b/docs/hazmat/primitives/asymmetric/padding.rst
index 949fdaf..4008479 100644
--- a/docs/hazmat/primitives/asymmetric/padding.rst
+++ b/docs/hazmat/primitives/asymmetric/padding.rst
@@ -46,7 +46,7 @@
supported MGF is :class:`MGF1`.
:param bytes label: A label to apply. This is a rarely used field and
- should typically be set to ``None`` or ``b""`` (equivalent values).
+ should typically be set to ``None`` or ``b""``, which are equivalent.
.. class:: PKCS1v15()