diff --git a/java_console/bin/flash_stlink.sh b/java_console/bin/flash_stlink.sh
index a25aeaa93a..c796c4db49 100644
--- a/java_console/bin/flash_stlink.sh
+++ b/java_console/bin/flash_stlink.sh
@@ -2,5 +2,9 @@
 
 # sudo apt-get install stlink-tools -y
 # sudo apt-get remove --purge stlink-tools
+# armbian packages repo has 1.5 which does not seem to support ST-LINK 2.1 from newest discovery boards
+# version 1.6.1 of https://github.com/stlink-org/stlink works!
+# See https://freeelectron.ro/installing-st-link-v2-to-flash-stm32-targets-on-linux/
+# master of https://github.com/stlink-org/stlink does not work https://github.com/stlink-org/stlink/issues/1165
 
 st-flash write rusefi.bin 0x08000000
\ No newline at end of file