diff --git a/docs/mkdocs.yml b/docs/mkdocs.yml
index 8967977f1..d216f1c65 100644
--- a/docs/mkdocs.yml
+++ b/docs/mkdocs.yml
@@ -8,6 +8,7 @@ theme:
     code: Lato Mono
   features:
     - navigation.top
+  custom_dir: overrides
 repo_url: https://github.com/johnkerl/miller
 repo_name: miller
 edit_uri: edit/master/main/docs/src
diff --git a/docs/overrides/404.html b/docs/overrides/404.html
new file mode 100644
index 000000000..7982784c0
--- /dev/null
+++ b/docs/overrides/404.html
@@ -0,0 +1,15 @@
+{% extends "main.html" %}
+
+<!-- Content -->
+{% block content %}
+<h1>404 - this page does not exists</h1>
+
+<p>Try searching for the content of your interest by browsing the sections of the site, or using the search form at the top right.</p>
+
+
+{% endblock %}
+
+
+
+<!-- Disqus integration -->
+{% block disqus %}{% endblock %}