fix inline code highlighting

docs/docs/configuration/client.rst

@@ -32,10 +32,11 @@ the embed tag, as well as the thread ID, e.g.:
     <section id="isso-thread" data-title="Foo!" data-isso-id="/path/to/resource"></section>
 
 Additionally, you can override any translation string for any language by adding
-a `data-isso-` attribute that is equal to the translation key (found `here`__) with
-`-text-[lang]` appended to it. So, for example, if you want to override the
-english translation of the `postbox-notification` message, you could add
-`data-isso-postbox-notification-text-en="Select to be notified of replies to your comment"`
+a ``data-isso-`` attribute that is equal to the translation key (found `here`__) with
+``-text-[lang]`` appended to it. So, for example, if you want to override the
+english translation of the ``postbox-notification`` message, you could add:
+
+``data-isso-postbox-notification-text-en="Select to be notified of replies to your comment"``
 
 .. __: https://github.com/posativ/isso/blob/master/isso/js/app/i18n/en.js