Add double-backticks

Author: fsbraun

README.rst

@@ -143,7 +143,7 @@ Here is the template hierarchy for the edit and preview endpoints::
 
 Use Django's template override mechanism to customize these templates as needed. Say, if your base template has
 a different name and the content goes into a block called ``main_content``, you would create a template at
-`templates/djangocms_alias/base.html` with the following content::
+``templates/djangocms_alias/base.html`` with the following content::
     {% extends "mybase.html" %}
     {% load i18n %}