diff --git a/_includes/nav.html b/_includes/nav.html
index 4ebd91f..2c4bf1e 100644
--- a/_includes/nav.html
+++ b/_includes/nav.html
@@ -1,4 +1,4 @@
-<nav>
+<nav role="navigation" aria-label="Main navigation">
   <ul class="navigation-list">
     {% assign pages_list = site.html_pages | sort:"nav_order" %}
     {% for node in pages_list %}