diff --git a/uaEFI.md b/uaEFI.md
index c0d9db0e..1f1c006e 100644
--- a/uaEFI.md
+++ b/uaEFI.md
@@ -16,6 +16,8 @@
 
 [uaEFI interactive BOM](https://rusefi.com/docs/ibom/uaefi-a-ibom.html)
 
+[WBO documentation](https://github.com/rusefi/rusefi/wiki/rusEFI-Wideband-Controller)
+
 ## Features
 
 * sequential six smart coils with option of on-board igniters