Docs: Docs styleguide minor update

doc/development/documentation/styleguide/index.md

@@ -1105,9 +1105,11 @@ Another example:
 An Admin Area example:
-`1. On the top bar, select **Menu >** **{admin}** **Admin**.`
-This text generates this HTML:
+```markdown
+1. On the top bar, select **Menu >** **{admin}** **Admin**.
+```
+This text renders this output:
 1. On the top bar, select **Menu >** **{admin}** **Admin**.