Improve indentation, fix typo

Author: lukastaegert

public/index.html

@@ -24,21 +24,21 @@ <h1>Rollup code-splitting demo</h1>
 		<div data-used-by='both'></div>
 	</div>
 
-    <script>
-        import("/module/main-a.js");
-        import("/module/main-b.js");
-		window.supporsDynamicImport = true;
-    </script>
-    <script>
-        if (!window.supporsDynamicImport) {
-            const systemJsLoaderTag = document.createElement('script');
-            systemJsLoaderTag.src = 'https://unpkg.com/systemjs@0.21.4/dist/system-production.js';
-            systemJsLoaderTag.addEventListener('load', function () {
-                System.import('./nomodule/main-a.js');
-                System.import('./nomodule/main-b.js');
-            });
-            document.head.appendChild(systemJsLoaderTag);
-        }
-    </script>
+	<script>
+		import("/module/main-a.js");
+		import("/module/main-b.js");
+		window.supportsDynamicImport = true;
+	</script>
+	<script>
+		if (!window.supportsDynamicImport) {
+			const systemJsLoaderTag = document.createElement('script');
+			systemJsLoaderTag.src = 'https://unpkg.com/systemjs@0.21.4/dist/system-production.js';
+			systemJsLoaderTag.addEventListener('load', function () {
+				System.import('./nomodule/main-a.js');
+				System.import('./nomodule/main-b.js');
+			});
+			document.head.appendChild(systemJsLoaderTag);
+		}
+	</script>
 </body>
 </html>