diff --git a/main.py b/main.py
index e666641..1429306 100644
--- a/main.py
+++ b/main.py
@@ -2,7 +2,8 @@
 from tkinter import ttk
 import ttkbootstrap as ttks
 from enum import Enum, auto
-from msfs_lights import AirplaneLights, get_airplane_light_values, set_airplane_light_value, get_airplane_altitude, is_night, is_on_ground
+from msfs_lights import AirplaneLights, get_airplane_light_values, set_airplane_light_value, get_airplane_altitude, \
+    is_night, is_on_ground
 import logging
 
 # ---- See License at bottom of file ----
@@ -24,6 +25,7 @@
 checkbox_vars = []
 
 
+# update the checkbox/lights based on environment
 def update_checkboxes_and_lights():
     if not script_enabled:
         return
@@ -34,6 +36,7 @@ def update_checkboxes_and_lights():
     taxi_lights_enabled = is_on_ground() and is_night()
 
     altitude = get_airplane_altitude()
+    # this line does not work need to change the comparison
     landing_lights_enabled = altitude < 10000 and not is_night() and not is_on_ground()
 
     set_airplane_light_value(AirplaneLights.CABIN, cabin_lights_enabled)
@@ -42,12 +45,13 @@ def update_checkboxes_and_lights():
 
     for i, light in enumerate(AirplaneLights):
         checkbox_vars[i].set(light_values[light.name])
-
-    checkbox_vars[AirplaneLights.LANDING.value].set(landing_lights_enabled)
+        checkbox_vars[AirplaneLights.LANDING.value].set(landing_lights_enabled)
 
     # Schedule the next update in 1000 ms (1 second)
     root.after(1000, update_checkboxes_and_lights)
 
+
+# used to turn the script on & off
 def toggle_script():
     global script_enabled
     script_enabled = not script_enabled
@@ -57,12 +61,15 @@ def toggle_script():
     if script_enabled:
         update_checkboxes_and_lights()
 
+
+# create checkbox grid
 def create_checkbox_grid(root):
     row, column = 0, 0
     for light in AirplaneLights:
         chk_var = tk.BooleanVar()
         checkbox_vars.append(chk_var)
-        chk = ttk.Checkbutton(root, text=light.name, variable=chk_var, command=lambda var=chk_var: on_checkbox_click(var))
+        chk = ttk.Checkbutton(root, text=light.name, variable=chk_var,
+                              command=lambda var=chk_var: on_checkbox_click(var))
         chk.grid(row=row, column=column, padx=5, pady=5, sticky="w")
 
         column += 1
@@ -72,11 +79,12 @@ def create_checkbox_grid(root):
 
     global toggle_button
     toggle_button = ttk.Button(root, text="Enable Script", command=toggle_script)
-    toggle_button.grid(row=row+1, column=1, pady=10, sticky="w")
+    toggle_button.grid(row=row + 1, column=1, pady=10, sticky="w")
 
     copyright_label = ttk.Label(root, text="Copyright 2023 - Jeremy Stevens", font=("Arial", 8))
-    copyright_label.grid(row=row+2, column=1, pady=(0, 5), sticky="w")
+    copyright_label.grid(row=row + 2, column=1, pady=(0, 5), sticky="w")
 
+# main entry point 
 def main():
     global root
     root = tk.Tk()
@@ -88,33 +96,32 @@ def main():
     create_checkbox_grid(root)
     root.mainloop()
 
+
 if __name__ == "__main__":
     main()
 
-
-
 # --------- license info ---------------------------------------------------#
 
-#MIT License
+# MIT License
 
-#Copyright (c) 2023 - Jeremy Stevens
+# Copyright (c) 2023 - Jeremy Stevens
 
-#Permission is hereby granted, free of charge, to any person obtaining a copy
-#of this software and associated documentation files (the "Software"), to deal
-#in the Software without restriction, including without limitation the rights
-#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-#copies of the Software, and to permit persons to whom the Software is
-#furnished to do so, subject to the following conditions:
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
 
-#The above copyright notice and this permission notice shall be included in all
-#copies or substantial portions of the Software.
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
 
-#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-#SOFTWARE.
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
 
-# -------------------- end of license info ---------------------------------------
\ No newline at end of file
+# -------------------- end of license info ---------------------------------------
diff --git a/msfs_lights.py b/msfs_lights.py
index 4a6256a..4e43de0 100644
--- a/msfs_lights.py
+++ b/msfs_lights.py
@@ -1,6 +1,7 @@
 from SimConnect import *
 from enum import Enum
 
+
 # ---- See License at bottom of file ----
 
 class AirplaneLights(Enum):
@@ -14,6 +15,7 @@ class AirplaneLights(Enum):
     RUNWAY_TURN_OFF = "RUNWAY TURN OFF LIGHTS"
     RECOGNITION = "RECOGNITION LIGHTS"
 
+
 # get IS_NIGHT from simconnect
 def is_night():
     sm = SimConnect()
@@ -22,6 +24,7 @@ def is_night():
     sm.exit()
     return results
 
+# get the airplanes current altitude
 def get_airplane_altitude():
     sm = SimConnect()
     aq = AircraftRequests(sm)
@@ -29,6 +32,7 @@ def get_airplane_altitude():
     sm.exit()
     return altitude
 
+# check if the plane is on the ground
 def is_on_ground():
     sm = SimConnect()
     aq = AircraftRequests(sm)
@@ -36,7 +40,7 @@ def is_on_ground():
     sm.exit()
     return on_ground
 
-
+# get time in Zulu * not used but leaving it for now *
 def get_msfs_time_of_day():
     sm = SimConnect()
     aq = AircraftRequests(sm)
@@ -44,15 +48,7 @@ def get_msfs_time_of_day():
     sm.exit()
     return zulu_time
 
-
-def get_airplane_altitude():
-    sm = SimConnect()
-    aq = AircraftRequests(sm)
-    altitude = aq.get("PLANE_ALTITUDE")
-    sm.exit()
-    return altitude
-
-
+# set the airplane lights ON/OFF
 def set_airplane_light_value(light: AirplaneLights, value: bool):
     sm = SimConnect()
     aq = AircraftRequests(sm)
@@ -75,7 +71,7 @@ def set_airplane_light_value(light: AirplaneLights, value: bool):
         aq.set("LIGHT RECOGNITION ON", int(value))
     sm.exit()
 
-
+# get the airplanes lights value (ON/OFF)
 def get_airplane_light_values():
     # Establish a connection to the simulator
     sm = SimConnect()
@@ -91,26 +87,26 @@ def get_airplane_light_values():
 
 # --------- license info ---------------------------------------------------#
 
-#MIT License
+# MIT License
 
-#Copyright (c) 2023 - Jeremy Stevens
+# Copyright (c) 2023 - Jeremy Stevens
 
-#Permission is hereby granted, free of charge, to any person obtaining a copy
-#of this software and associated documentation files (the "Software"), to deal
-#in the Software without restriction, including without limitation the rights
-#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-#copies of the Software, and to permit persons to whom the Software is
-#furnished to do so, subject to the following conditions:
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
 
-#The above copyright notice and this permission notice shall be included in all
-#copies or substantial portions of the Software.
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
 
-#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-#SOFTWARE.
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
 
-# -------------------- end of license info ---------------------------------------
\ No newline at end of file
+# -------------------- end of license info ---------------------------------------