diff --git a/README.rst b/README.rst
index 01ae9e5..20143a4 100644
--- a/README.rst
+++ b/README.rst
@@ -51,7 +51,7 @@ Creating a Modbus TCP server is easy:
     conf.SIGNED_VALUES = True
 
     TCPServer.allow_reuse_address = True
-    app = get_server(TCPServer, ('localhost', 502), RequestHandler)
+    app = get_server(TCPServer, ('localhost', 15020), RequestHandler)
 
 
     @app.route(slave_ids=[1], function_codes=[3, 4], addresses=list(range(0, 10)))
@@ -91,7 +91,7 @@ Doing a Modbus request requires even less code:
     conf.SIGNED_VALUES = True
 
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-    sock.connect(('localhost', 502))
+    sock.connect(('localhost', 15020))
 
     # Returns a message or Application Data Unit (ADU) specific for doing
     # Modbus TCP/IP.
diff --git a/scripts/examples/simple_tcp_client.py b/scripts/examples/simple_tcp_client.py
index 9b30dbe..3b4ce75 100755
--- a/scripts/examples/simple_tcp_client.py
+++ b/scripts/examples/simple_tcp_client.py
@@ -9,7 +9,7 @@
 conf.SIGNED_VALUES = True
 
 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-sock.connect(('localhost', 502))
+sock.connect(('localhost', 15020))
 
 # Returns a message or Application Data Unit (ADU) specific for doing
 # Modbus TCP/IP.
diff --git a/scripts/examples/simple_tcp_server.py b/scripts/examples/simple_tcp_server.py
index c186cd4..85b3430 100755
--- a/scripts/examples/simple_tcp_server.py
+++ b/scripts/examples/simple_tcp_server.py
@@ -18,9 +18,10 @@
 conf.SIGNED_VALUES = True
 
 TCPServer.allow_reuse_address = True
-app = get_server(TCPServer, ('localhost', 502), RequestHandler)
+app = get_server(TCPServer, ('localhost', 15020), RequestHandler)
 
 
+# Read Coils and Read Discrete Inputs
 @app.route(slave_ids=[1], function_codes=[1, 2], addresses=list(range(0, 10)))
 def read_data_store(slave_id, function_code, address):
     """" Return value of address. """