diff --git a/docs/_template/page.html b/docs/_template/page.html
index f8c29b1..37fcc02 100644
--- a/docs/_template/page.html
+++ b/docs/_template/page.html
@@ -34,6 +34,7 @@
       <ul>
         <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/spec-language/">Spec language reference</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>