-<center><p><img src="../images/scan-example.png"></p></center>
-<p>It also reads <strong>2D barcodes</strong>, called <em>QR Codes</em>, which can contain links to
- web sites, contact information such as phone numbers and email addresses, map locations and more.</p>
+<p style="text-align:center"><img src="../images/scan-example.png" alt="Scan example"></p>
+<p>It also reads <strong>2D barcodes</strong> such as <em>QR Codes</em> and <em>Data Matrix</em>.
+ These can contain links to web sites, contact information such as phone numbers and email
+ addresses, and more.</p>