Update index.html

Author: Cube-J

index.html

@@ -20,7 +20,9 @@ <h3>Barcode Reader Samples</h3>
         <div class="children">
             <div class="file">Hello World</div>
             <div class="children">
-                <div class="file"><a data-balloon-length="fit" data-balloon-pos="down" aria-label="Minimum necessary JavaScript code to read barcodes from camera." class="button title" href="hello-world/hello-world.html">Hello World</a><span id="icon001" class="tooltipIcon"></span>
+                <div class="file"><a data-balloon-length="fit" data-balloon-pos="down" aria-label="Minimum necessary 
+                    JavaScript code to read barcodes from camera." class="button title" href="hello-world/hello-world.html">Hello 
+                    World</a><span id="icon001" class="tooltipIcon"></span>
                     <a class="github" href="https://github.com/Dynamsoft/barcode-reader-javascript-samples/blob/main/hello-world/hello-world.html" title="Check code on GitHub"></a>
                 </div>
                 <div class="file"><a data-balloon-length="fit" data-balloon-pos="down" aria-label="Decode barcodes