diff --git a/Documentation/platforms/arm/mps/boards/mps3-an547/index.rst b/Documentation/platforms/arm/mps/boards/mps3-an547/index.rst
index 0fea4818b39cd..bb2dc0fab8c94 100644
--- a/Documentation/platforms/arm/mps/boards/mps3-an547/index.rst
+++ b/Documentation/platforms/arm/mps/boards/mps3-an547/index.rst
@@ -50,6 +50,13 @@ Configuring and Running (Single Core)
      bl> boot /pic/boot
      ap> ostest
 
+Precautions
+===========
+
+In the new version of QEMU (9.20), the UART RX interrupt and TX interrupt have been swapped.
+Adjustments need to be made using menuconfig.
+For details, see `fix RX/TX interrupts order <https://github.com/qemu/qemu/commit/5a558be93ad628e5bed6e0ee062870f49251725c>`_
+
 Debugging with QEMU
 ===================