Update epub33/epub-a11y-eaa-mapping/index.html

Co-authored-by: Ivan Herman <ivan@w3.org>

epub33/epub-a11y-eaa-mapping/index.html

@@ -58,7 +58,7 @@
 					Accessibility Act (EAA)</a> is an EU directive that establishes binding accessibility requirements that
 				must be met by many different types of products and services to strengthen the rights of people with
 				disabilities to access goods and services, including ebooks, dedicated reading software, ereading
-				devices, digital rights management softwares and ecommerce.</p>
+				devices, digital rights management softwares, and ecommerce.</p>
 
 			<p>The EAA has been approved on 27 June 2019 and will come into force from 28 June 2025.</p>