update barcode

Author: didiyordanova

controls/barcode/1d-barcodes/specifications.md

@@ -35,7 +35,7 @@ The following table describes the specific characteristics of the barcodes per t
 |Intelligent Mail|![barcode-1d-barcodes 023](images/barcode-1d-barcodes023.png)|The Intelligent Mail Barcode (IM barcode) is a 65-bar barcode for use on mail in the United States. The IM barcode is intended to provide greater information and functionality than its predecessors POSTNET and PLANET. |numeric|20, 25, 29 or 31|CRC check|
 |GS1-128|![barcode-1d-barcodes 017](images/barcode-1d-barcodes017.png)|GS1-128 is a special form of  Code 128. It is used for goods and palettes in commerce and industry. The name GS1-128 replaces the old name EAN/UCC 128.|alphanumeric|variable (no fixed length)|Calculated according to Modulo 103|
 |UPC A|![barcode-1d-barcodes 018](images/barcode-1d-barcodes018.png)|UPC A is a barcode symbology, which consists of 12 digits, one of which is a checksum. This barcode identifies the manufacturer and specific product, so point-of-sale cash register systems can automatically look up the price.|01234567890|12 bzw. 8|Calculated according to Modulo 10|
-|UPC E|![barcode-1d-barcodes 019](images/barcode-1d-barcodes019.png)|UPC E is a variation of the UPCA symbol that is used for number system 0. By suppressing zeroes, UPCE codes can be printed in a very small space and are used for labeling small items.|01234567890|12 bzw. 8|Calculated according to Modulo 10|
+|UPC E|![barcode-1d-barcodes 019](images/barcode-1d-barcodes019.png)|UPC E is a variation of the UPCA symbol that is used for number system 0. By suppressing zeroes, UPCE codes can be printed in a very small space and are used for labeling small items.|01234567890|8 bzw. 6|Calculated according to Modulo 10|
 |UPC Supplement 2|![barcode-1d-barcodes 020](images/barcode-1d-barcodes020.png)|A two digit UPC supplementary code. This barcode should only be used with magazines, newspapers and other such periodicals.|0123456789|2|none|
 |UPC Supplement 5|![barcode-1d-barcodes 021](images/barcode-1d-barcodes021.png)|A five digit UPC supplementary code. This barcode is used on books to indicate a suggested retail price.|0123456789|5|none|