diff --git a/meta-arm-bsp/documentation/corstone1000/user-guide.rst b/meta-arm-bsp/documentation/corstone1000/user-guide.rst
index 359caf2d..58231731 100644
--- a/meta-arm-bsp/documentation/corstone1000/user-guide.rst
+++ b/meta-arm-bsp/documentation/corstone1000/user-guide.rst
@@ -36,10 +36,14 @@ Please follow the steps described in the Yocto mega manual:
 
 Targets
 -------
+The Corstone-1000 software stack can be run on:
 
 - `Arm Corstone-1000 Ecosystem FVP (Fixed Virtual Platform) <https://developer.arm.com/downloads/-/arm-ecosystem-fvps>`__
 - `Arm Corstone-1000 for MPS3 <https://developer.arm.com/documentation/dai0550/latest/>`__
 
+.. warning::
+    Arm Corstone-1000 for MPS3 requires an additional 32 MB QSPI flash PMOD module. For more information see the `Application Note AN550 document <https://developer.arm.com/documentation/dai0550/latest/>`__.
+
 Yocto stable branch
 -------------------