s/which/that/
Which is usually for descriptive clauses in technical writing, while
that is restrictive. Most of the time we are being being restrictive.
diff --git a/docs/hazmat/backends/multibackend.rst b/docs/hazmat/backends/multibackend.rst
index 95538ac..119b13a 100644
--- a/docs/hazmat/backends/multibackend.rst
+++ b/docs/hazmat/backends/multibackend.rst
@@ -10,7 +10,7 @@
.. versionadded:: 0.2
This class allows you to combine multiple backends into a single backend
- which offers the combined features of all of its constituents.
+ that offers the combined features of all of its constituents.
.. code-block:: pycon