diff --git a/README_CANABLE_V_2_0.txt b/README_CANABLE_V_2_0.txt
index c3fb57e..92d6654 100644
--- a/README_CANABLE_V_2_0.txt
+++ b/README_CANABLE_V_2_0.txt
@@ -5,3 +5,13 @@
 sudo ip link set dev can0 down
 sudo ip link set dev can0 up type can bitrate 100000 sjw 4
 sudo ip link set dev can0 up
+
+
+#
+# SJW cannot be changed currently using slcan (which is a serial terminal such as /dev/ttyACM0 linked to the linux kernel)
+# see
+# https://github.com/linux-can/can-utils/issues/30
+# https://github.com/torvalds/linux/commit/80bcf5ec9927
+#
+sudo ip --details link show can0
+