diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index beca52219..9bd10b7ed 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -58,6 +58,8 @@ Coding Guidelines
 
 - Comments and names of variables/functions/etc. must be in English
 
+- Formatting scripts (mac0S/Linux only) are available `here <./build-aux>`__
+
 Commit Guidelines
 -----------------