diff --git a/CONTRIBUTING b/CONTRIBUTING
index b4c87b67d..734f40ddc 100644
--- a/CONTRIBUTING
+++ b/CONTRIBUTING
@@ -1,7 +1,8 @@
 Code Stuff
 ----------
 
- *  No magic numbers, use named constants like E_ITEM...
+ * No magic numbers, use named constants like E_ITEM...
+ * Please use tabs for indentation and spaces for alignment.
 
 Copyright
 ---------