diff --git a/src/hw/kasli_soc.md b/src/hw/kasli_soc.md
index 516ea28..de86983 100644
--- a/src/hw/kasli_soc.md
+++ b/src/hw/kasli_soc.md
@@ -2,6 +2,7 @@
 
 ## HW Setup
 
-Check POR jumpers and BOOT mode switches.
+Check the BOOT mode switches - they both should be at SD if the Kasli-SoC going to be shipped to customer.
+POR jumper needs only for JTAG mode.
 
 ![](../img/kasli_soc.jpg)
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