diff --git a/docs/source/_templates/footer.html b/docs/source/_templates/footer.html
index b8f8c93..8dcfdac 100644
--- a/docs/source/_templates/footer.html
+++ b/docs/source/_templates/footer.html
@@ -1,3 +1,6 @@
+{%- if last_updated %}
+<p style="margin-bottom: 0.25rem;">Last updated on {{ last_updated }}.</p>
+{%- endif %}
 {%- if show_copyright %}
 <p style="margin-bottom: 0.75rem;">&#169; Copyright {{ copyright }}.</p>
 {%- endif %}
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 25d6f5a..fbcaca3 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -34,6 +34,7 @@
 html_theme = 'sphinx_rtd_theme'
 html_static_path = ['_static']
 html_extra_path = ['_extra']  # robots.txt, llms.txt, sitemap-docs.xml copied to site root
+html_last_updated_fmt = '%Y-%m-%d'  # visible page dates — AI answers prefer dateable sources
 html_logo = '_static/cryptnox-logo.svg'
 html_favicon = '_static/favicon.png'