diff --git a/docs/_template/page.html b/docs/_template/page.html
index 32bb0f2..6cedf2a 100644
--- a/docs/_template/page.html
+++ b/docs/_template/page.html
@@ -13,20 +13,20 @@
 <body>
 <div class="layout">
   <aside class="sidebar">
-    <a class="brand" href="__ROOT__index.html">sanderling</a>
+    <a class="brand" href="__ROOT__">sanderling</a>
     <nav>
       <h3>Manual</h3>
       <ul>
-        <li><a href="__ROOT__manual/getting-started.html">Getting started</a></li>
-        <li><a href="__ROOT__manual/writing-specs.html">Writing specs</a></li>
-        <li><a href="__ROOT__manual/runs.html">Runs</a></li>
-        <li><a href="__ROOT__manual/inspect.html">Inspect</a></li>
-        <li><a href="__ROOT__manual/cli.html">CLI reference</a></li>
+        <li><a href="__ROOT__manual/getting-started/">Getting started</a></li>
+        <li><a href="__ROOT__manual/writing-specs/">Writing specs</a></li>
+        <li><a href="__ROOT__manual/runs/">Runs</a></li>
+        <li><a href="__ROOT__manual/inspect/">Inspect</a></li>
+        <li><a href="__ROOT__manual/cli/">CLI reference</a></li>
       </ul>
       <h3>Development</h3>
       <ul>
-        <li><a href="__ROOT__development/design-principles.html">Design principles</a></li>
-        <li><a href="__ROOT__development/architecture.html">Architecture</a></li>
+        <li><a href="__ROOT__development/design-principles/">Design principles</a></li>
+        <li><a href="__ROOT__development/architecture/">Architecture</a></li>
       </ul>
     </nav>
   </aside>