diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index 8c037ffc..27c79d0d 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -23,7 +23,7 @@
   <div class="toc">
     <details {{if .Params.TocOpen }} open{{ end }}>
       <summary>
-        <div class="details">Table of Contents</div>
+        <div class="details">{{ i18n "toc" | default "Table of Contents" }}</div>
       </summary>
       <blockquote>
         {{ partial "toc.html" . }}