diff --git a/boards/risc-v/k210/maix-bit/README-qemu.txt b/boards/risc-v/k210/maix-bit/README-qemu.txt
index 65a5040b00..557d50893e 100644
--- a/boards/risc-v/k210/maix-bit/README-qemu.txt
+++ b/boards/risc-v/k210/maix-bit/README-qemu.txt
@@ -37,6 +37,11 @@
 
   $ qemu-system-riscv64 -nographic -machine sifive_u -bios ./nuttx
 
+  NOTE: To run nuttx for kostest, gdb needs to be used to load both nuttx_user.elf and nuttx
+
+  $ qemu-system-riscv64 -nographic -machine sifive_u -s -S
+  $ riscv64-unknown-elf-gdb -ex 'target extended-remot:1234' -ex 'load nuttx_user.elf' -ex 'load nuttx' -ex 'c'
+
 6. TODO
 
   Support FPU