diff --git a/screens/doors.py b/screens/doors.py
index f75985c..f14219b 100644
--- a/screens/doors.py
+++ b/screens/doors.py
@@ -2,32 +2,82 @@
 from kivy.uix.screenmanager import Screen
 from kivy.core.audio import SoundLoader
 
+# Import functions from another module (screen_check.py)
+
 from .screen_check import passcode, set_doors
 
+# Load the Kivy UI layout from a .kv file
+
 Builder.load_file('screenLayout/doors_screen.kv')
 sound = SoundLoader.load('assets/audio/doors_roger.wav')
 class DoorsScreen(Screen):
+
+     # Class-level variable to track whether the passcode has been verified
     verified = False
 
+    # Function to increment the value of a label_index (a label in the UI) 
+
     def increment_value(self, label_index):
+
+        # Check if the current label_index value is 5
+
         if(int(label_index.text) == 5):
+
+            # If it's 5, set it to 0
+
             label_index.text = "0"
         else:
+
+            # Otherwise, increment it by 1
+
             label_index.text = f"{int(label_index.text) + 1}"
-        DoorsScreen.verify(self)
 
+            # Call the verify function to check if the passcode is correct
+        DoorsScreen.verify(self)
+ # Function to decrement the value of a label_index (a label in the UI)
     def decrement_value(self, label_index):
+
+         # Check if the current label_index value is 0
+
         if(int(label_index.text) == 0):
+
+            # If it's 0, set it to 5
+
             label_index.text = "5"
         else:
+
+            # Otherwise, decrement it by 1
+
             label_index.text = f"{int(label_index.text) - 1}"
+
+             # Call the verify function to check if the passcode is correct
+
         DoorsScreen.verify(self)
 
+        # Function to verify the entered passcode
+
     def verify(self):
+
+         # Concatenate the values of four labels to form the entered code
         code = passcode == int(self.ids.label_1.text + self.ids.label_2.text + self.ids.label_3.text + self.ids.label_4.text)
+
+                # Check if the code is correct and if verification hasn't occurred before
+
         if not DoorsScreen.verified and code:
+
+             # Mark the passcode as verified
+
             DoorsScreen.verified = True
+
+            # Update the UI elements to indicate successful verification
+
             self.ids.splash_bg.opacity = 0
             self.ids.splash_bg_after.opacity = 1
+
+             # Call the set_doors function to perform additional actions
+
             set_doors()
+
+            # Play the loaded sound
+            
             sound.play()
\ No newline at end of file