diff --git a/2-variables/07-data-types.js b/2-variables/07-data-types.js
index 32db7f6..7129272 100644
--- a/2-variables/07-data-types.js
+++ b/2-variables/07-data-types.js
@@ -1,12 +1,20 @@
 // Data Types 📦
 // Codédex
 
-const companyName = "Niteowl, Inc.";
+const companyName = 'Niteowl, Inc.';
+
 const foundingYear = 2022;
+
 let isActive = true;
+
 let fundingAmount = undefined;
 
+// change company to companyName
+
 console.log(companyName);
+
 console.log(foundingYear);
+
 console.log(isActive);
+
 console.log(fundingAmount);
diff --git a/6-functions/31-e-mc-2.js b/6-functions/31-e-mc-2.js
index f7304e5..5c0f753 100644
--- a/6-functions/31-e-mc-2.js
+++ b/6-functions/31-e-mc-2.js
@@ -9,4 +9,4 @@ function relativityTheory(mass) {
   return energy;
 }
 
-relativityTheory(123.4);
\ No newline at end of file
+console.log(relativityTheory(123.4));
\ No newline at end of file