diff --git a/_site/_app/_app.js b/_site/_app/_app.js
index f40773e..916b12d 100644
--- a/_site/_app/_app.js
+++ b/_site/_app/_app.js
@@ -47,7 +47,7 @@ install({
   },
   // custom rules
   rules: [
-    ['text-wrap-(unset|wrap|nowrap|balance)', 'textWrap'],
+    ['text-wrap-(unset|wrap|nowrap|balance|pretty)', 'textWrap'],
     [ 'bg-grid', { 'background-image': 'url("data:image/svg+xml,<svg xmlns=\'http://www.w3.org/2000/svg\' viewBox=\'0 0 4 4\' width=\'4\' height=\'4\'><rect x=\'0\' y=\'0\' width=\'2\' height=\'2\' fill=\'currentColor\'></rect></svg>")', } ],
   ],
 });