Fixed docs

Author: heuer

barcode/upc.py

@@ -12,20 +12,23 @@
 
 
 class UniversalProductCodeA(Barcode):
-    """Initializes new UPC-A barcode.
+    """Universal Product Code (UPC) barcode.
 
-    :param str upc: The upc number as string.
-    :param writer: barcode.writer instance. The writer to render the barcode
-            (default: SVGWriter).
-    :param bool make_ean: Indicates if a leading zero should be added to the
-            barcode. This converts the UPC into a valid European Article Number (EAN).
+    UPC-A consists of 12 numeric digits.
     """
-
     name = 'UPC-A'
 
     digits = 11
 
     def __init__(self, upc, writer=None, make_ean=False):
+        """Initializes new UPC-A barcode.
+
+        :param str upc: The upc number as string.
+        :param writer: barcode.writer instance. The writer to render the barcode
+                (default: SVGWriter).
+        :param bool make_ean: Indicates if a leading zero should be added to the
+                barcode. This converts the UPC into a valid European Article Number (EAN).
+        """
         self.ean = make_ean
         upc = upc[:self.digits]
         if not upc.isdigit():