Fixes

assets/css/app.css

@@ -25,7 +25,8 @@
   user-select: none;
 }
 
-/* app.js turns these into real buttons, so they need a visible focus ring. */
+/* These are real buttons -- compile_bible.py writes role and tabindex on every
+   one of them -- so they need a visible focus ring. */
 .v:focus-visible {
   outline: 2px solid var(--bs-primary);
   outline-offset: 2px;