diff --git a/compile_firmware.sh b/compile_firmware.sh
index 7ffae018..48592c4c 100755
--- a/compile_firmware.sh
+++ b/compile_firmware.sh
@@ -1,3 +1,5 @@
 #!/usr/bin/env bash
+
+# do we need export EXTRA_LIVE_DATA_FILE=",../../../board_extra.yaml" here?
 cd ext/rusefi/firmware/
 bash bin/compile.sh ../../../meta-info.env