diff --git a/functions/index.js b/functions/index.js
index 19334e4..e577005 100644
--- a/functions/index.js
+++ b/functions/index.js
@@ -1,7 +1,7 @@
-// Cloudflare Pages Function for the bare "/" route only.
-// Negotiates the visitor's language from Accept-Language and 302-redirects to
-// the matching /<lang> home. Explicit /<lang> URLs never hit this function, so
-// Falls back to the default language; the static `/ -> /en` rule in _redirects
+// Handles only the bare "/" route: negotiates the visitor's language from
+// Accept-Language and 302-redirects to the matching /<lang> home. Explicit
+// /<lang> URLs never hit this function; the static "/ -> /en" rule in
+// _redirects is the fallback if this function doesn't run.
 
 const LANGS = ['en', 'de', 'fr', 'it', 'rm'];
 const DEFAULT_LANG = 'en';
diff --git a/scripts/postbuild.ts b/scripts/postbuild.ts
index 35d41b6..d737910 100644
--- a/scripts/postbuild.ts
+++ b/scripts/postbuild.ts
@@ -25,7 +25,8 @@ const PAGES: { path: string; changefreq: string; priority: string; images?: stri
   { path: '/terms', changefreq: 'monthly', priority: '0.4' },
 ];
 
-// 1. Render the /404 route output to 404.html so Cloudflare Pages serves it for
+// Cloudflare Pages serves a top-level 404.html for unmatched routes; copy the
+// prerendered /404 route output there.
 function writeNotFound() {
   const src = join(browser, '404', 'index.html');
   const dest = join(browser, '404.html');
@@ -38,7 +39,8 @@ function writeNotFound() {
   console.log(`[postbuild] wrote ${dest}`);
 }
 
-// 2. The root '' route only redirects to /<default-lang>. Drop any prerendered
+// The root '' route only redirects to /<default-lang>; drop the prerendered
+// index.html so the "/" -> "/<lang>" rule in _redirects handles it instead.
 function dropRootIndex() {
   const root = join(browser, 'index.html');
   if (existsSync(root)) {
@@ -47,7 +49,6 @@ function dropRootIndex() {
   }
 }
 
-// 3. Generate a multilingual sitemap with hreflang alternates for every page.
 function writeSitemap() {
   const lastmod = new Date().toISOString().slice(0, 10);
 
diff --git a/src/app/components/legal/privacy.ts b/src/app/components/legal/privacy.ts
index 352c2a9..926405e 100644
--- a/src/app/components/legal/privacy.ts
+++ b/src/app/components/legal/privacy.ts
@@ -243,7 +243,6 @@ import { LegalPageBase } from './legal-page-base';
               Stand-Datum veröffentlicht.
             </p>
           } @else {
-            <!-- English version -->
             <p>
               This Privacy Policy explains how we handle your personal data when you visit
               <a href="https://schuly.dev">schuly.dev</a> or use the Schuly app and its backend. It is
diff --git a/src/index.html b/src/index.html
index 2f781d5..c01de02 100644
--- a/src/index.html
+++ b/src/index.html
@@ -28,7 +28,6 @@
   <link rel="preload" as="font" type="font/woff2" href="/fonts/inter-latin-wght-normal.woff2" crossorigin>
   <link rel="preload" as="image" href="/assets/app_icon.png">
 
-  <!-- Open Graph -->
   <meta property="og:type" content="website">
   <meta property="og:site_name" content="Schuly">
   <meta property="og:title" content="Schuly · Open student portal for Schulnetz &amp; more">
@@ -39,14 +38,12 @@
   <meta property="og:image:height" content="512">
   <meta property="og:image:alt" content="Schuly app icon">
 
-  <!-- Twitter / X -->
   <meta name="twitter:card" content="summary_large_image">
   <meta name="twitter:title" content="Schuly · Open student portal for Schulnetz &amp; more">
   <meta name="twitter:description" content="Open-source student portal for iOS, Android, and Web. Schulnetz works out of the box.">
   <meta name="twitter:image" content="https://schuly.dev/assets/app_icon.png">
   <meta name="twitter:image:alt" content="Schuly app icon">
 
-  <!-- Structured data: Organization -->
   <script type="application/ld+json">
   {
     "@context": "https://schema.org",
@@ -65,7 +62,6 @@
   }
   </script>
 
-  <!-- Structured data: WebSite -->
   <script type="application/ld+json">
   {
     "@context": "https://schema.org",
@@ -83,7 +79,6 @@
   }
   </script>
 
-  <!-- Structured data: SoftwareApplication -->
   <script type="application/ld+json">
   {
     "@context": "https://schema.org",
@@ -137,7 +132,6 @@
   }
   </script>
 
-  <!-- Structured data: FAQ -->
   <script type="application/ld+json">
   {
     "@context": "https://schema.org",