Added an example usage

2 files changed, 13 insertions, 5 deletions

diff --git a/cryptography/hazmat/backends/__init__.py b/cryptography/hazmat/backends/__init__.py
index 41d260a8..d1b95f2a 100644
--- a/cryptography/hazmat/backends/__init__.py
+++ b/cryptography/hazmat/backends/__init__.py
@@ -12,7 +12,6 @@
 # limitations under the License.
 
 from cryptography.hazmat.backends import openssl
-from cryptography.hazmat.backends.multibackend import MultiBackend
 from cryptography.hazmat.bindings.commoncrypto.binding import (
     Binding as CommonCryptoBinding
 )
@@ -24,8 +23,5 @@ if CommonCryptoBinding.is_available():
     _ALL_BACKENDS.append(commoncrypto.backend)
 
 
-_default_backend = MultiBackend(_ALL_BACKENDS)
-
-
 def default_backend():
-    return _default_backend
+    return openssl.backend
diff --git a/docs/hazmat/backends/multibackend.rst b/docs/hazmat/backends/multibackend.rst
index 971c7671..f1a88006 100644
--- a/docs/hazmat/backends/multibackend.rst
+++ b/docs/hazmat/backends/multibackend.rst
@@ -10,5 +10,17 @@ MultiBackend
     This class allows you to combine multiple backends into a single backend
     which offers the combined features of all of its constituents.
 
+    .. code-block:: pycon
+
+        >>> from cryptography.hazmat.backends.multibackend import MultiBackend
+        >>> from cryptography.hazmat.primitives import hashes
+        >>> backend1.hash_supported(hashes.SHA256())
+        False
+        >>> backend2.hash_supported(hashes.SHA1())
+        True
+        >>> multi_backend = MultiBackend([backend1, backend2])
+        >>> multi_backend.hash_supported(hashes.SHA1())
+        True
+
     :param backends: A ``list`` of backend objects. Backends are checked for
                      feature support in the order they appear in this list.