diff --git a/pages/02.linux/05.kopia/default.en.md b/pages/02.linux/05.kopia/default.en.md
index dd6ab10..0736a74 100644
--- a/pages/02.linux/05.kopia/default.en.md
+++ b/pages/02.linux/05.kopia/default.en.md
@@ -2,6 +2,7 @@
 title: Kopia
 ---
 
+[toc]
 ## Installation
 ### Debian
 `curl -s https://kopia.io/signing-key | sudo apt-key add -`