diff --git a/docs/index.md b/docs/index.md
index 96a510c..8bfd84a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -32,7 +32,7 @@ Lorem ipsum dolor sit amet, (1) consectetur adipiscing elit.
 [Subscribe to our newsletter](#){ .md-button .md-button--primary }
 [Send :fontawesome-solid-paper-plane:](#){ .md-button }
 
-# Code blocks
+## Code blocks
 
 ``` py title="bubble_sort.py"
 def bubble_sort(items):