Fix typo in UtilityClass.html

website/templates/features/experimental/UtilityClass.html

@@ -10,7 +10,7 @@
 	<@f.experimental>
 		<ul>
 			<li>
-				Some debate as to whether its common enough to count as boilerplate.
+				Some debate as to whether it's common enough to count as boilerplate.
 			</li><li>
 				Due to limitations in javac, currently non-star static imports <em>cannot</em> be used to import stuff from <code>@UtilityClass</code>es; don't static import, or use star imports.
 			</li>