diff --git a/STYLE.md b/STYLE.md
index 54da52b..fae5c75 100644
--- a/STYLE.md
+++ b/STYLE.md
@@ -8,4 +8,7 @@ Name your procedures as following: `filename_whatitdoes`.
 
 The procedures are documented using sphinx.
 
+We're using `clang-formatter` to keep the code readable. Please run it before
+committing your code as following: `clang-format -i *` in the `src` folder.
+
 Have I forgotten something?