diff --git a/firmware/controllers/can/readme.md b/firmware/controllers/can/readme.md
index bbf7f59b98..14d4f87fae 100644
--- a/firmware/controllers/can/readme.md
+++ b/firmware/controllers/can/readme.md
@@ -1 +1,3 @@
 For documentation best we have is [rusEFI_CAN_verbose.dbc](rusEFI_CAN_verbose.dbc)
+
+https://github.com/rusefi/rusefi/wiki/CAN