diff --git a/api/static-site.ts b/api/static-site.ts
index beb274c..41ae6e3 100644
--- a/api/static-site.ts
+++ b/api/static-site.ts
@@ -267,10 +267,15 @@ const NGINX_CONF = `server {
   # URL can never legitimately change. A re-crop is a different name, and the HTML that carries it is
   # revalidated every visit. This is the difference from /derived/ above, which is rewritten in place.
   #
-  # `/crops/`, and it was `/images/` until 2026-08-31 — a name taken from the URL rather than from what
-  # is behind it, beside two other directories equally full of images. A site published before the
-  # rename has `/images/` in its HTML and no longer has the files; the fix is a publish, which rewrites
-  # every one of these URLs anyway.
+  # /crops/, and it was /images/ until 2026-08-31 — a name taken from the URL rather than from what is
+  # behind it, beside two other directories equally full of images. A site published before the rename
+  # has /images/ in its HTML and no longer has the files; the fix is a publish, which rewrites every
+  # one of these URLs anyway.
+  #
+  # NO BACKTICKS IN HERE. This whole config is a template literal, so a pair of them around a path ends
+  # the string and makes the next word an identifier. That shipped once: the plugin failed to mount
+  # with "crops is not defined", every /fofos-admin call 404'd, and useReady's catch locked all nine
+  # sections behind "set a root location" — a build error wearing the costume of a setup problem.
   location ^~ /crops/ {
     expires 1y;
     add_header Cache-Control "public, immutable";