diff --git a/.github/workflows/frontend-js-size.yml b/.github/workflows/frontend-js-size.yml
index 67d4e050c6..529f5cae79 100644
--- a/.github/workflows/frontend-js-size.yml
+++ b/.github/workflows/frontend-js-size.yml
@@ -339,14 +339,18 @@ jobs:
             '',
             '### Top 10 largest chunks',
             '<details>',
+            '',
             markdownTable(topRows),
+            '',
             '</details>',
             '',
             '### Startup chunks',
             '<details>',
+            '',
             markdownTable(startupRows),
             '',
             '_Top 10 is sorted by max(before, after) size. Diff top 10 is sorted by absolute size diff, with missing chunks compared against 0 B. Startup chunks are the Vite entry for `src/_boot_.ts` and its static imports._',
+            '',
             '</details>',
             '',
           ].join('\n');