diff --git a/HACKING b/HACKING
index ee9a0951..07edb3da 100644
--- a/HACKING
+++ b/HACKING
@@ -3,10 +3,11 @@ Code formating and ordering
 
 + The source file will keep and order of methods. The order will be as
   following:
-  1. Private functions will go first.
-  2. class_init and init will go second.
-  3. vfuncs implementations will go third.
-  4. Public API will go fourth
+  1. Private functions will go first
+  2. class_init and init will go second
+  3. interface init will go third
+  3. vfuncs implementations will go fourth
+  4. Public API will go in the end
 
 + Methods naming will be according to:
   1. Private methods will have no prefix