diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 92939b47a..8028c194e 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -98,7 +98,8 @@ $ uv sync
 ```
 
 ## Coding Style
-* 2 spaces for indentation rather than tabs
+
+* 4 spaces for indentation rather than tabs
 * 80 character line length
 * ...