Merge pull request #61 from aloksha/patch-33

Update 5.regionOfInterest-regionPredetection.html

Author: Tom-Dynamsoft

3.settings/5.regionOfInterest-regionPredetection.html

@@ -6,6 +6,7 @@
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
     <meta name="description" content="Read barcodes from camera with Dynamsoft Barcode Reader, read only the area of interest.">
     <meta name="keywords" content="read barcode from camera, region of interest">
+    <link rel="canonical" href="https://demo.dynamsoft.com/Samples/DBR/JS/3.settings/5.regionOfInterest-regionPredetection.html">
     <title>Dynamsoft Barcode Reader Sample - Region Definition or Pre-detection</title>
     <!--
       This sample makes use of the library hosted by the CDN jsDelivr. If you would rather use the
@@ -337,4 +338,4 @@ <h1 style="font-size: 1.5em;">Define or Detect the Region of Interest</h2>
         </script>
 </body>
 
-</html>
+</html>