Slightly reorganize and cleanuip the backend docs
diff --git a/docs/hazmat/backends/openssl.rst b/docs/hazmat/backends/openssl.rst
index 12fbff0..5e51c75 100644
--- a/docs/hazmat/backends/openssl.rst
+++ b/docs/hazmat/backends/openssl.rst
@@ -1,7 +1,7 @@
 .. hazmat::
 
-OpenSSL
-=======
+OpenSSL Backend
+===============
 
 These are `CFFI`_ bindings to the `OpenSSL`_ C library.