diff --git a/scripts.js b/scripts.js
index 922ffcb..d56e8de 100644
--- a/scripts.js
+++ b/scripts.js
@@ -4,7 +4,7 @@ submit.addEventListener("click", validateForm)
 treeHeight.addEventListener("keydown", returnCheck)
 treeChar.addEventListener("keydown", returnCheck)
 
-// Assigning input values to an object after event validation and passing to the buildTree function
+// Assigning input values to an object after event validation
 
 function treeCapture() {
   var tree = {
@@ -26,8 +26,8 @@ function validateForm() {
 
 // Function to check whether the enter key was pressed
 
-function returnCheck() {
-  if (event.keyCode === 13) {
+function returnCheck(e) {
+  if (e.keyCode === 13) {
     validateForm();
   }
 }