Update UX-Guide-Metadata/draft/principles/index.html

UX-Guide-Metadata/draft/principles/index.html

@@ -137,7 +137,7 @@ <h2>Introduction</h2>
 		<section id="general-overview">
 			<h2>General overview</h2>
 
-			<p>These guidelines   helps those who wish to render accessibility metadata directly to users understand how to
+			<p>These guidelines   help those who wish to render accessibility metadata directly to users understand how to
 				represent the accessibility claims inherent in machine-readable accessibility metadata in a
 				user-friendly User Interface / User Experience (UI/UX). This document targets implementers such as
 				bookstores, retailers, distributors etc. Content creators will benefit from reading these guidelines and