diff --git a/src/main.py b/src/main.py
index 3998ecb..a14f2b1 100644
--- a/src/main.py
+++ b/src/main.py
@@ -90,7 +90,7 @@ def bufferSTDIN():
             bufferNextIn = 0
 #
 # instantiate second 'background' thread on RD2040 dual processor to monitor and buffer
-# incomming data from 'stdin' over USB serial port using ‘bufferSTDIN‘ function (above)
+# incoming data from 'stdin' over USB serial port using 'bufferSTDIN' function (above)
 #
 bufferSTDINthread = start_new_thread(bufferSTDIN, ())
 
@@ -108,24 +108,7 @@ def getByteBuffer():
         bufferNextOut = 0
     return (buffer[n])                          # return byte from buffer
 
-#
-#
-# main program begins here ...
-#
-# set 'inputOption' to either  one byte ‘BYTE’  OR one line ‘LINE’ at a time. Remember, ‘bufferEcho’
-# determines if the background buffering function ‘bufferSTDIN’ should automatically echo each
-# byte it receives from the USB serial port or not (useful when operating in line mode when the
-# host computer is running a serial terminal program)
-#
-# start this MicroPython code running (exit Thonny with code still running) and then start a
-# serial terminal program (e.g. putty, minicom or screen) on the host computer and connect
-# to the Raspberry Pi Pico ...
-#
-#    ... start typing text and hit return.
-#
-#    NOTE: use Ctrl-C, Ctrl-C, Ctrl-D then Ctrl-B on in the host computer terminal program 
-#           to terminate the MicroPython code running on the Pico 
-#
+
 def unlockDoor():
     print("DO", end="")
     led.value(1)