diff --git a/README.md b/README.md
index 5368efac..603f4f82 100644
--- a/README.md
+++ b/README.md
@@ -874,7 +874,7 @@ Other Style Guides
     const itemHeight = (item) => item.height > 256 ? item.largeSize : item.smallSize;
 
     // good
-    const itemHeight = item => { return item.height > 256 ? item.largeSize : item.smallSize; }
+    const itemHeight = (item) => { return item.height > 256 ? item.largeSize : item.smallSize; }
     ```
 
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