diff --git a/src/contents/terminal-development.md b/src/contents/terminal-development.md
index 24ee052..0954dfc 100644
--- a/src/contents/terminal-development.md
+++ b/src/contents/terminal-development.md
@@ -19,6 +19,8 @@ description:
 
 Developing a terminal-like website using ReactJS, TypeScript and Styled-Components. Includes features like autocomplete, multiple themes, command hints etc.
 
+## Table of contents
+
 ## Intro
 
 Recently, I've developed and published my portfolio + a blog. I’m glad I got some good feedback for it. Today, I want to introduce my new terminal-like portfolio website. It is developed using ReactJS, TypeScript. I got this idea from CodePen and YouTube.