Document cleanup

Change-Id: Ie7478317eedd34d2bf5786dfcbbfa3c1ebc071a1
diff --git a/deployment/deployment4G.rst b/deployment/deployment4G.rst
index 0acc635..cacbae6 100644
--- a/deployment/deployment4G.rst
+++ b/deployment/deployment4G.rst
@@ -45,6 +45,9 @@
     - 2 CPU Cores
     - 4Gi
 
+.. note::
+   SD-Core deployment is tested on Intel/AMD hardware. There is WIP to run SD-Core
+   on ARM architecture.
 
 Deployment Options
 ------------------