diff --git a/contrib/plotting-visualization/seaborn-intro.md b/contrib/plotting-visualization/seaborn-intro.md
index 4e28b6a..8b0d869 100644
--- a/contrib/plotting-visualization/seaborn-intro.md
+++ b/contrib/plotting-visualization/seaborn-intro.md
@@ -1,4 +1,4 @@
 Seaborn is a Python data visualization library based on Matplotlib. It provides a high-level interface for drawing attractive and informative statistical graphics.
 
-# Seaborn Installation
+## Seaborn Installation
 Before installing Matplotlib, ensure you have Python installed on your system. You can download and install Python from the [official Python website](https://www.python.org/).