diff --git a/erpc/host_example/README.rst b/erpc/host_example/README.rst
index e516e2b..3c59119 100644
--- a/erpc/host_example/README.rst
+++ b/erpc/host_example/README.rst
@@ -35,6 +35,10 @@
     -DERPC_TRANSPORT=UART -DPORT_NAME="/dev/ttyACM0"
     cmake --build  build/
 
+.. Note::
+    The ``ERPC_TRANSPORT`` and ``PORT_NAME`` can be omitted and setting the transportation info
+    in command line is also supported. Follow `Run instructions`_ on how to use the command line.
+
 Run instructions
 ----------------
 
@@ -46,6 +50,11 @@
       cd <TF-M tests base folder>/erpc/host_example
       ./build/erpc_main
 
+  .. Note::
+      If ``ERPC_TRANSPORT`` and ``PORT_NAME`` are not set, then they should be set as arguments of
+      ``erpc_main``. Execute the following command to run eRPC program:
+      ./build/erpc_main --UART /dev/ttyACM0
+
 Example: TCP Transportation on AN521 FVP
 ========================================
 
@@ -69,6 +78,11 @@
     -DERPC_TRANSPORT=TCP -DERPC_HOST="0.0.0.0" -DERPC_PORT=5001
     cmake --build  build/
 
+.. Note::
+    The ``ERPC_TRANSPORT``, ``ERPC_HOST`` and ``ERPC_PORT`` can be omitted and setting the
+    transportation info in command line is also supported. Follow `Run instructions`_ on
+    how to use the command line.
+
 Run instructions
 ----------------
 
@@ -104,6 +118,11 @@
     cd <TF-M tests base folder>/erpc/host_example
     ./build/erpc_main
 
+.. Note::
+      If ``ERPC_TRANSPORT``, ``ERPC_HOST`` and ``ERPC_PORT`` are not set, then they should be set as
+      arguments of ``erpc_main``. Execute the following command to run eRPC program:
+      ./build/erpc_main --TCP 0.0.0.0 5001
+
 --------------
 
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