diff --git a/GPIO-demo.py b/GPIO-demo.py
index ea12611..9e937f6 100644
--- a/GPIO-demo.py
+++ b/GPIO-demo.py
@@ -1,10 +1,15 @@
 '''
-    Demo Python GPIO on the MQ-Pro (requires a modified device tree)
-    See: https://github.com/easytarget/MQ-Pro-IO/
-    For install requirements requirements look at:
-    - https://github.com/easytarget/MQ-Pro-IO/blob/main/GPIO-examples.md#python-demo
+ Demo Python GPIO on the MQ-Pro (requires a modified device tree)
+ See: https://github.com/easytarget/MQ-Pro-IO/
+
+ For install requirements requirements look at:
+ - https://github.com/easytarget/MQ-Pro-IO/blob/main/GPIO-examples.md#python-demo
+ Tested using the LoRa HAT device tree:
+ - https://github.com/easytarget/MQ-Pro-IO/tree/main/alt-trees/lora-hat
 '''
-from time import sleep
+
+from time import sleep, ctime
+
 # oled libs
 from luma.core.interface.serial import i2c
 from luma.core.render import canvas
@@ -31,9 +36,9 @@ while True:
     t = round(bme280.get_temperature(),1)
     h = round(bme280.get_humidity(),1)
     p = round(bme280.get_pressure())
-    out = ' Temp: {}°\n Humi: {}%\n Pres: {}mb'.format(t,h,p)
+    out = ' Temp: {}°C\n Humi: {}%\n Pres: {}mb'.format(t,h,p)
     with canvas(device) as draw:
         draw.rectangle(device.bounding_box, outline="white", fill="black")
         draw.text((26, 12), out, fill="white")
-    print(out.replace('\n',' : '))
+    print('{} : {}°C, {}%, {}mb'.format(ctime(),t,h,p)
     sleep(1)