fix: use needs to align with document

webpack/webpack.js.org#7402 (comment)

Author: chenxsan

lib/javascript/JavascriptModulesPlugin.js

@@ -883,7 +883,7 @@ class JavascriptModulesPlugin {
 					let footer;
 					if (iife !== undefined) {
 						startupSource.add(
-							`// This entry need to be wrapped in an IIFE because ${iife}\n`
+							`// This entry needs to be wrapped in an IIFE because ${iife}\n`
 						);
 						const arrow = runtimeTemplate.supportsArrowFunction();
 						if (arrow) {