diff --git a/4.2.4-Header-Editor.md b/4.2.4-Header-Editor.md
index f2088e3..51f285c 100644
--- a/4.2.4-Header-Editor.md
+++ b/4.2.4-Header-Editor.md
@@ -20,7 +20,5 @@ Execute type: Custom function
 
 Code:
 ```js
-for (const a in val) {
-  if (val[a].name.toLowerCase() === 'etag') val[a].value = '';
-}
+for (const a in val) if (val[a].name.toLowerCase() === 'etag') val[a].value = '';
 ```