diff --git a/layouts/partials/submitted.html b/layouts/partials/submitted.html
index cb56c4f..0c850dd 100644
--- a/layouts/partials/submitted.html
+++ b/layouts/partials/submitted.html
@@ -1,4 +1,4 @@
 <p class="submitted">
 {{ with $.Param "author" }}<span class="author">{{ . }}</span> – {{ end -}}
-<span class="created-date">{{ .Date.Format ($.Param "dateformat" | default "2 January, 2006") }}</span>
+<time class="modified-date" datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format ($.Param "dateformat" | default "2 January, 2006") }}</time>
 </p>