diff --git a/source.config.ts b/source.config.ts
index 657cf9cb3..023b0d89d 100644
--- a/source.config.ts
+++ b/source.config.ts
@@ -67,9 +67,8 @@ export default defineConfig({
     // },
     rehypeCodeOptions: {
       themes: {
-        // NOTE: one-light and one-dark-pro are alternative options
-        light: 'github-light-default',
-        dark: 'dark-plus',
+        light: 'one-light',
+        dark: 'dark-plus', // one-dark-pro is an alternative option
       },
       icon: {
         extend: {
@@ -222,6 +221,20 @@ export default defineConfig({
       remarkMdxMermaid,
       remarkMdxFiles,
       remarkSteps,
+      function remarkRemoveMdxComments() {
+        return (tree: any) => {
+          function process(node: any) {
+            if (!Array.isArray(node.children)) return;
+            node.children = node.children.filter((child: any) => {
+              const isExpression =
+                child.type === 'mdxFlowExpression' || child.type === 'mdxTextExpression';
+              return !(isExpression && /^\s*\/\*[\s\S]*\*\/\s*$/.test(child.value));
+            });
+            for (const child of node.children) process(child);
+          }
+          process(tree);
+        };
+      },
     ],
     rehypePlugins: (v) => [
       // NOTE: KaTeX support should be placed before everything else!
diff --git a/src/app/(home)/page.tsx b/src/app/(home)/page.tsx
index 0beebbea0..214b2f155 100644
--- a/src/app/(home)/page.tsx
+++ b/src/app/(home)/page.tsx
@@ -2,6 +2,7 @@ import type { Metadata } from 'next';
 import type { ComponentType } from 'react';
 import Link from 'next/link';
 import {
+  ArrowUpRight,
   ArrowRight,
   Blocks,
   Brain,
@@ -11,7 +12,6 @@ import {
   Rocket,
   Send,
   Server,
-  Users,
 } from 'lucide-react';
 
 export const metadata: Metadata = {
@@ -27,7 +27,7 @@ export const metadata: Metadata = {
   },
 };
 
-type QuickLink = { title: string; href: string };
+type QuickLink = { title: string; href: string; external?: boolean | undefined };
 
 type Path = {
   title: string;
@@ -77,7 +77,7 @@ const paths: Path[] = [
     description: 'Build, debug, and deploy smart contracts on TON.',
     icon: FileCode2,
     links: [
-      { title: 'Acton toolchain', href: '/contract-dev/acton' },
+      { title: 'Acton toolchain', href: '/contract-dev/acton', external: true },
       { title: 'Tolk language', href: '/tolk/overview' },
       { title: 'JetBrains IDE plugin', href: '/contract-dev/ide/jetbrains' },
       { title: 'VS Code extension', href: '/contract-dev/ide/vscode' },
@@ -154,11 +154,12 @@ function isExternal(href: string): boolean {
   return href.startsWith('http');
 }
 
-function QuickLinkRow({ title, href }: QuickLink) {
+function QuickLinkRow({ title, href, external }: QuickLink) {
   const className =
     'group -mx-3 flex items-center justify-between gap-2 rounded-lg px-3 py-2 text-sm font-medium transition-colors hover:bg-fd-accent hover:text-fd-accent-foreground';
+  const Component = external ? ArrowUpRight : ArrowRight;
   const arrow = (
-    <ArrowRight className="size-4 shrink-0 text-fd-muted-foreground transition-transform group-hover:translate-x-0.5 group-hover:text-fd-primary" />
+    <Component className="size-4 shrink-0 text-fd-muted-foreground transition-transform group-hover:translate-x-0.5 group-hover:text-fd-primary" />
   );
 
   if (isExternal(href)) {
diff --git a/src/lib/shared.ts b/src/lib/shared.ts
index 74d52210e..86ae63fd3 100644
--- a/src/lib/shared.ts
+++ b/src/lib/shared.ts
@@ -37,6 +37,8 @@ export function withBasePath(src: string): string {
 }
 
 export function withBaseUrl(src: string): string {
+  // NOTE: vercel only, separate production from staging
+  // if (process.env.NEXT_CONFIG === 'vercel') return 'https://docs.ton.org' + src;
   // locally or not on GitHub Pages
   if (!urlPrefix) return src;
   // external, relative, or data: