fix hmac docs to point to new hazmat location
diff --git a/docs/hazmat/primitives/hmac.rst b/docs/hazmat/primitives/hmac.rst
index 14aaf19..702df2c 100644
--- a/docs/hazmat/primitives/hmac.rst
+++ b/docs/hazmat/primitives/hmac.rst
@@ -18,7 +18,7 @@
 secret key. You can use an HMAC to verify integrity as well as authenticate a
 message.
 
-.. class:: cryptography.primitives.hmac.HMAC(key, msg=None, digestmod=None)
+.. class:: cryptography.hazmat.primitives.hmac.HMAC(key, msg=None, digestmod=None)
 
    HMAC objects take a ``key``, a hash class derived from :class:`~cryptography.primitives.hashes.BaseHash`,
    and optional msg.  The ``key`` should be randomly generated bytes and
@@ -26,7 +26,7 @@
 
     .. doctest::
 
-        >>> from cryptography.primitives import hashes, hmac
+        >>> from cryptography.hazmat.primitives import hashes, hmac
         >>> h = hmac.HMAC(key, digestmod=hashes.SHA256)
         >>> h.update(b"message to hash")
         >>> h.hexdigest()