diff --git a/src/passwordler/decrypt_password.py b/src/passwordler/decrypt_password.py
index 9b33309..0a8ac87 100644
--- a/src/passwordler/decrypt_password.py
+++ b/src/passwordler/decrypt_password.py
@@ -47,9 +47,11 @@ def decrypt_password(encrypted_password, random_seed = 123):
     decryption = original.copy()
     random.shuffle(decryption)
 
+    # generate a key map for decryption
     keyMap = getKeyMap(decryption, isDecryption=True)
     decrypted_pass = []
 
+    # decrypt password with key map
     for character in encrypted_password:
         if character in keyMap:
             decrypted_pass.append(keyMap[character])
diff --git a/src/passwordler/encrypt_password.py b/src/passwordler/encrypt_password.py
index 2195d69..700665b 100644
--- a/src/passwordler/encrypt_password.py
+++ b/src/passwordler/encrypt_password.py
@@ -46,9 +46,11 @@ def encrypt_password(password, random_seed=123):
     encryption = original.copy()
     random.shuffle(encryption)
 
+    # generate a key map for encryption
     keyMap = getKeyMap(encryption)
     encrypted_pass = []
 
+    # encrypt password with key map
     for character in password:
         if character in original:
             encrypted_pass.append(keyMap[character])
diff --git a/src/passwordler/password_strength.py b/src/passwordler/password_strength.py
index 8db2361..65775a4 100644
--- a/src/passwordler/password_strength.py
+++ b/src/passwordler/password_strength.py
@@ -26,6 +26,7 @@ def password_strength(password):
     elif password == '':
         raise ValueError("'password' cannot be an empty string")
     
+    # collect information on the password
     count_uppercase = len(re.findall("[A-Z]", password))
     count_numbers = len(re.findall('[0-9]', password))
     count_special_chars = len(re.findall('[!-/:-@\\[-`{-~]', password)) 
@@ -34,10 +35,14 @@ def password_strength(password):
                         'baseball', 'dragon', 'football', '1234567', 'monkey', 'letmein', 'abc123', 
                         '111111', 'mustang', 'access', 'shadow', 'master', 'michael', 'superman', 
                         '696969', '123123', 'batman', 'trustno1']
-
+    
+    # conditions for strong password
     if length >= 12 and count_uppercase >= 1 and count_numbers >= 1 and count_special_chars >= 1 and password not in common_passwords:
         return 'Your password is: Strong'
+    
+    # conditions for good password
     elif length >= 8 and (count_uppercase + count_numbers + count_special_chars) >= 2 and password not in common_passwords:
         return 'Your password is: Good'
+    
     else:
         return 'Your password is: Weak'
\ No newline at end of file