diff --git a/solutions/day-01/level1.js b/solutions/day-01/level1.js
index 775a371..3fd657a 100644
--- a/solutions/day-01/level1.js
+++ b/solutions/day-01/level1.js
@@ -7,7 +7,11 @@ console.log(itCompanies);
 // display length of it companies
 console.log(`length of IT companies ${itCompanies.length}`)
 
+// display first element, middle element last element of it companies
 console.log(`${itCompanies[0]}, ${itCompanies[(itCompanies.length - 1)/2]}, ${itCompanies[itCompanies.length - 1]}`)
-// display each company in the array on a new line
+
+// display each company in the array
 const displayCompanies = itCompanies.map(company => console.log(company));
+
+// display each company in the array in uppercase
 console.log(itCompanies.map(item => item.toUpperCase()));