diff --git a/ascii-table.md b/ascii-table.md
index f005f7c..1fddc0a 100644
--- a/ascii-table.md
+++ b/ascii-table.md
@@ -2,6 +2,12 @@
 
 Ascii table because websites are unusable these days
 
+<!--toc:start-->
+- [ASCII table](#ascii-table)
+  - [regular ascii table](#regular-ascii-table)
+  - [extended ascii table](#extended-ascii-table)
+<!--toc:end-->
+
 
 ## regular ascii table