Doc tweaks for html_message parameter to send_mail(); refs #20817

docs/releases/1.7.txt

@@ -89,8 +89,8 @@ Minor features
 * The admin changelist cells now have a ``field-<field_name>`` class in the
   HTML to enable style customizations.
 
-* The :func:`~django.core.mail.send_mail` now accepts an ``html_message``
-  parameter for sending a multipart text/plain and text/html email.
+* :func:`~django.core.mail.send_mail` now accepts an ``html_message``
+  parameter for sending a multipart ``text/plain`` and ``text/html`` email.
 
 Backwards incompatible changes in 1.7
 =====================================

docs/topics/email.txt

@@ -72,7 +72,8 @@ are required.
   :mimetype:`text/html` content type.
 
 .. versionadded:: 1.7
-The html_message parameter was added
+
+    The ``html_message`` parameter was added.
 
 send_mass_mail()
 ================