diff --git a/plumage/static/css/main.scss b/plumage/static/css/main.scss
index b5870586..303d2b5c 100644
--- a/plumage/static/css/main.scss
+++ b/plumage/static/css/main.scss
@@ -27,7 +27,7 @@ a {
     @each $tag in 'h1',
       'h2',
       'h3',
-    'h4',
+      'h4',
     'h5',
     'h6',
     'dt' {