diff --git a/doc_src/cmds/fish_config.rst b/doc_src/cmds/fish_config.rst
index 43da931bc..9fbe63485 100644
--- a/doc_src/cmds/fish_config.rst
+++ b/doc_src/cmds/fish_config.rst
@@ -58,7 +58,9 @@ which will save your current theme in .theme format.
 
 The format looks like this:
 
-.. code-block:: raw
+.. highlight:: none
+
+::
 
    # name: 'Cool Beans'
    # preferred_background: black