diff --git a/Hardware/Hellen/Hellen72.md b/Hardware/Hellen/Hellen72.md
index f483cd72..a1598cf4 100644
--- a/Hardware/Hellen/Hellen72.md
+++ b/Hardware/Hellen/Hellen72.md
@@ -27,7 +27,7 @@
 
 
 
-
+https://github.com/rusefi/rusefi/wiki/It's-complicated
 
 
 [Mazda Miata 2003](Mazda-Miata-2003)