diff --git a/index.html b/index.html
index 012fca2..d20fd89 100644
--- a/index.html
+++ b/index.html
@@ -237,7 +237,7 @@
           .then((response) => response.text())
           .then(wait)
           .then((text) => {
-            const [, title] = text.match(/^(#\s\w+)/) ||
+            const [, title] = text.match(/^#\s+(\w+.+)/) ||
               text.match(/(.*?)\n===+/m) || [, path];
             document.title = `${title} | ${mainTitle}`;
             if (params.has("source")) {