fixed deprecated option

in the process, improved inline comment

Author: FND

lib/index.js

@@ -29,7 +29,7 @@ module.exports = (config, assetManager, { watcher, browsers, compact } = {}) =>
 	watcher.on("edit", filepaths => {
 		bundles.forEach(bundle => {
 			let res = bundle.recompile(...filepaths);
-			res && // guards against irrelevant changes
+			res && // disregard irrelevant changes
 				res.then(makeWriter(bundle, assetManager));
 		});
 	});

test/unit/test_bundling.js

@@ -144,7 +144,7 @@ console.log(\`[…] $\{helper}\`); // eslint-disable-line no-console
 		let config = [{
 			source: "./src/lib.js",
 			target: "./dist/bundle.js",
-			moduleName: "MYLIB"
+			exports: "MYLIB"
 		}];
 		let assetManager = new MockAssetManager(FIXTURES_DIR);