commoncrypto backend docs
diff --git a/docs/hazmat/backends/index.rst b/docs/hazmat/backends/index.rst
index 0695128..22354f6 100644
--- a/docs/hazmat/backends/index.rst
+++ b/docs/hazmat/backends/index.rst
@@ -31,4 +31,5 @@
     :maxdepth: 1
 
     openssl
+    common-crypto
     interfaces