diff --git a/CHANGES.rst b/CHANGES.rst
index f3221e6..abcf752 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -649,6 +649,9 @@
 
 Version 3.x.x   2016-xx-xx
 --------------------------
+Improvements:
+
+- add client mode to exmaple tcp_serial_redirect.py
 
 Bugfixes:
 
diff --git a/examples/at_protocol.py b/examples/at_protocol.py
index e3a9bde..7d43007 100644
--- a/examples/at_protocol.py
+++ b/examples/at_protocol.py
@@ -143,7 +143,7 @@
             self.command("AT+JRES", response='ROK')      # SW-Reset BT module
 
         def get_mac_address(self):
-            # requests hardware / calibrationinfo as event
+            # requests hardware / calibration info as event
             return self.command_with_event_response("AT+JRBD")
 
     ser = serial.serial_for_url('spy://COM1', baudrate=115200, timeout=1)