diff --git a/lib/edge-cache.js b/lib/edge-cache.js
index 8f74230..f1fd7ca 100644
--- a/lib/edge-cache.js
+++ b/lib/edge-cache.js
@@ -1,7 +1,7 @@
 // The public pages that look the same to everyone, kept in the data center's cache by worker-entry.mjs so a visitor or a
 // crawler doesn't wake the whole app for them: the app's own pages and files (the docs, the legal pages, robots.txt, the
 // OpenAPI document), and the public pages of a newsletter's archive on its own host. No imports: the Worker's entry loads this
-// before Next.js.
+// before Next.js, so it stays free of imports.
 //
 // Fresh for FRESH_SECONDS. Past that the stored copy still answers while a new one is fetched behind it, up to
 // STALE_SECONDS, so after the first visit nobody waits for the app. The key carries the Worker's version, so a deploy never