diff --git a/Error-Codes.md b/Error-Codes.md
index 91f97d7b..b0371bd3 100644
--- a/Error-Codes.md
+++ b/Error-Codes.md
@@ -1,11 +1,13 @@
-# OBD Error Codes
+# rusEFI Error Codes
+
+## OBD Error Codes
 
 See [OBD Error Codes header](https://github.com/rusefi/rusefi/blob/master/firmware/controllers/algo/obd_error_codes.h)
 
-# Cut Codes
+## Cut Codes
 
 See [ClearReason in limp_manager.h header](https://github.com/rusefi/rusefi/blob/master/firmware/controllers/limp_manager.h#L8)
 
-# ETB Error Codes
+## ETB Error Codes
 
 See [TpsState in limp_manager.h header](https://github.com/rusefi/rusefi/blob/master/firmware/controllers/limp_manager.h#L30)
\ No newline at end of file