docs: add quotes (#1509)

vuejs · Mar 6, 2019 · a51b2b5 · a51b2b5
1 parent d5f1e88
commit a51b2b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/zh/guide/extract-css.md b/docs/zh/guide/extract-css.md
@@ -33,7 +33,7 @@ module.exports = {
   plugins: [
     // ... 忽略 vue-loader 插件
     new MiniCssExtractPlugin({
-      filename: style.css
+      filename: 'style.css'
     })
   ]
 }