diff --git a/05_Day/05_day_arrays.md b/05_Day/05_day_arrays.md
index e0e327f5..a7e24827 100644
--- a/05_Day/05_day_arrays.md
+++ b/05_Day/05_day_arrays.md
@@ -80,19 +80,19 @@ console.log('Numbers:', numbers)
 console.log('Number of numbers:', numbers.length)
 
 console.log('Fruits:', fruits)
-console.log('Number of fruits:', len(fruits))
+console.log('Number of fruits:', fruits.length)
 
 console.log('Vegetables:', vegetables)
-console.log('Number of vegetables:', len(vegetables))
+console.log('Number of vegetables:', vegetables.length)
 
 console.log('Animal products:', animalProducts)
-console.log('Number of animal products:', len(animalProducts))
+console.log('Number of animal products:', animalProducts.length)
 
-console.log('Web technologies:', web_techs)
-console.log('Number of web technologies:', len(webTechs))
+console.log('Web technologies:', webTechs)
+console.log('Number of web technologies:', webTechs.length)
 
 console.log('Countries:', countries)
-console.log('Number of countries:', len(countries))
+console.log('Number of countries:', countries.length)
 ```
 
 ```sh
@@ -721,4 +721,4 @@ const webTechs = [
   
 🎉 CONGRATULATIONS ! 🎉
 
-[<< Day 4](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/04_Day/04_day_conditionals.md) | [Day 6 >>](#)
\ No newline at end of file
+[<< Day 4](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/04_Day/04_day_conditionals.md) | [Day 6 >>](#)