diff --git a/config/_default/markup.toml b/config/_default/markup.toml
index 5241889..7661f1c 100644
--- a/config/_default/markup.toml
+++ b/config/_default/markup.toml
@@ -10,6 +10,7 @@
         enable = true
       [goldmark.extensions.extras.subscript]
         enable = true
+
   [goldmark.renderer]
     unsafe = true