diff --git a/astro.config.mjs b/astro.config.mjs
index bf60e00..5eaffbb 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -8,7 +8,7 @@ import tailwindcss from "@tailwindcss/vite";
 export default defineConfig({
   site: "https://www.bztmon.com",
   // Always emit/expect trailing slashes so internal links hit the final URL directly
-  // (no nginx dir-redirect → no stray :8080 / cached 301s).
+  // (no nginx dir-redirect -> no stray :8080 / cached 301s).
   trailingSlash: "always",
   integrations: [sitemap()],
   build: {
@@ -16,8 +16,10 @@ export default defineConfig({
     inlineStylesheets: "never",
   },
   markdown: {
+    // Keep rendered prose ASCII: no curly-quote/dash typesetting at build.
+    smartypants: false,
     shikiConfig: {
-      // Dual theme via CSS variables → colours switch with our data-theme, no
+      // Dual theme via CSS variables -> colours switch with our data-theme, no
       // hard-coded per-token colours baked to one theme.
       themes: { light: "github-light", dark: "github-dark" },
       defaultColor: false,