diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html
index 23acfa7..342c9d0 100644
--- a/debugging/book-library/index.html
+++ b/debugging/book-library/index.html
@@ -93,4 +93,4 @@ <h1>Library</h1>
 
     <script src="script.js"></script>
   </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1..66e74ba 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -25,8 +25,6 @@ const author = document.getElementById("author");
 const pages = document.getElementById("pages");
 const check = document.getElementById("check");
 
-//check the right input from forms and if its ok -> add the new book (object in array)
-//via Book function and start render function
 function submit() {
   if (
     title.value == null ||
@@ -37,8 +35,8 @@ function submit() {
     alert("Please fill all fields!");
     return false;
   } else {
-    let book = new Book(title.value, title.value, pages.value, check.checked);
-    library.push(book);
+    let book = new Book(title.value, author.value, pages.value, check.checked);
+    myLibrary.push(book);
     render();
   }
 }
@@ -53,11 +51,9 @@ function Book(title, author, pages, check) {
 function render() {
   let table = document.getElementById("display");
   let rowsNumber = table.rows.length;
-  //delete old table
-  for (let n = rowsNumber - 1; n > 0; n-- {
+  for (let n = rowsNumber - 1; n > 0; n--) {
     table.deleteRow(n);
   }
-  //insert updated row and cells
   let length = myLibrary.length;
   for (let i = 0; i < length; i++) {
     let row = table.insertRow(1);
@@ -70,7 +66,6 @@ function render() {
     authorCell.innerHTML = myLibrary[i].author;
     pagesCell.innerHTML = myLibrary[i].pages;
 
-    //add and wait for action for read/unread button
     let changeBut = document.createElement("button");
     changeBut.id = i;
     changeBut.className = "btn btn-success";
@@ -88,16 +83,15 @@ function render() {
       render();
     });
 
-    //add delete button to every row and render again
     let delButton = document.createElement("button");
-    delBut.id = i + 5;
-    deleteCell.appendChild(delBut);
-    delBut.className = "btn btn-warning";
-    delBut.innerHTML = "Delete";
-    delBut.addEventListener("clicks", function () {
+    delButton.id = i + 5;
+    deleteCell.appendChild(delButton);
+    delButton.className = "btn btn-warning";
+    delButton.innerHTML = "Delete";
+    delButton.addEventListener("click", function () {
       alert(`You've deleted title: ${myLibrary[i].title}`);
       myLibrary.splice(i, 1);
       render();
     });
   }
-}
+}
\ No newline at end of file