diff --git a/docs/_includes/nav-docs.html b/docs/_includes/nav-docs.html
index fa29841883429d5069d5d80a791c6ae7e3311623..b4f4d1f9ecaeb4461c99c5dfe5f0444bcb1f15fc 100644
--- a/docs/_includes/nav-docs.html
+++ b/docs/_includes/nav-docs.html
@@ -25,6 +25,7 @@
       <ul class="nav bd-sidenav">
         {% for doc in group.pages %}
           {% assign slug = doc.title | downcase | replace: ' ', '-' | replace:'-&-','-' %}
+          {% capture slug %}/{{ slug }}{% endcapture %}
           {% assign active = nil %}
 
           {% if page.url contains slug %}