@@ -5,13 +5,27 @@
 
 
 class Md5Hash(NonEmptyString):
+    """
+    A value object representing an MD5 hash.
+    Inherits from NonEmptyString and validates that the input is a valid MD5 hash format.
+    MD5 hashes are 128-bit (16-byte) hashes represented as 32 hexadecimal characters.
+    """
 
     __MATCHER = re.compile(r'^[a-fA-F0-9]{32}$')
 
     def __init__(self, value: str):
+        """
+        Initialize the Md5Hash object with the given MD5 hash string value.
+        :param value: An MD5 hash string value.
+        """
         super().__init__(value)
 
     def _validate(self, value: str):
+        """
+        Validate that the given value is a valid MD5 hash format.
+        :param value: The value to validate.
+        :raises: ValueObjectError if the value is not a valid MD5 hash format.
+        """
         super()._validate(value)
         try:
             is_correct = Md5Hash.__MATCHER.match(value)