diff --git a/.madrun.mjs b/.madrun.mjs
index 8e7083c..ce439d1 100644
--- a/.madrun.mjs
+++ b/.madrun.mjs
@@ -3,8 +3,7 @@ import {
     cutEnv,
 } from 'madrun';
 
-const env = {
-};
+const env = {};
 
 export default {
     'wisdom': () => run(['lint', 'coverage']),
diff --git a/README.md b/README.md
index 0c3d347..daea5b4 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ minify(`
     const b = 6;
 `);
 ```
+
 ```
 // returns
 var a=5,b=6;
diff --git a/lib/minify/remove-return-undefinded/index.js b/lib/minify/remove-return-undefinded/index.js
index 8c2cd18..970f836 100644
--- a/lib/minify/remove-return-undefinded/index.js
+++ b/lib/minify/remove-return-undefinded/index.js
@@ -3,3 +3,4 @@ export const replace = () => ({
     'return undefined': '',
     'return void 0': '',
 });
+