diff --git a/doc/ORAN_FHI7.2_Tutorial.md b/doc/ORAN_FHI7.2_Tutorial.md
index 07612062f5..df72be82c6 100644
--- a/doc/ORAN_FHI7.2_Tutorial.md
+++ b/doc/ORAN_FHI7.2_Tutorial.md
@@ -32,6 +32,8 @@ The hardware on which we have tried this tutorial:
 - The NIC card should support hardware PTP time stamping. 
 - If you are using Intel servers then use only Ice Lake or newer generations. In case of AMD use only 4th generation, Genoa or newer. 
 - If you try on any other server apart from the above listed, then choose a desktop/server with clock speed higher than 3.0 GHz and `avx512` capabilities. 
+- This tutorial gives few instructions for Arm targets, but DU execution on Arm systems is yet not functional.  
+This feature is intended to enable experiments and future improvements on Arm systems.
 
 NICs we have tested so far:
 
@@ -405,6 +407,8 @@ Compile the fronthaul interface library by calling `make` and the option
 environment variables `RTE_SDK` for the path to the source tree of DPDK, and
 `XRAN_DIR` to set the path to the fronthaul library.  
 For building for a Arm target, set as well the environment variable `TARGET=armv8`.
+DU execution on Arm systems is yet not functional.
+This feature is intended to enable experiments and future improvements on Arm systems.
 
 **Note**: you need at least gcc-11 and g++-11.
 
@@ -423,6 +427,9 @@ before proceeding.
 
 ## For Arm targets only: Install the Arm RAN Acceleration library
 
+DU execution on Arm systems is yet not functional.
+This feature is intended to enable experiments and future improvements on Arm systems.
+
 Clone, configure and build ArmRAL:
 
 Note: Use option `-DCMAKE_INSTALL_PREFIX=<install-dir>` of cmake to set the installation directory of ArmRAL to `<install-dir>`.