diff --git a/Sudoku.html b/Sudoku.html
index d2c7408..06e7fc8 100644
--- a/Sudoku.html
+++ b/Sudoku.html
@@ -547,7 +547,6 @@
             let sStr = s < 10 ? "0" + s : s;
             return mStr + ":" + sStr;
         }
-        // --------------------
 
         function setGame() {
             document.getElementById("board").innerHTML = "";
@@ -592,7 +591,7 @@
                     if (val !== 0) counts[val]++;
                 }
             }
-            let digitButtons = querySelectorAll(".number");
+            let digitButtons = document.querySelectorAll(".number");
             digitButtons.forEach(btn => {
                 let num = parseInt(btn.getAttribute("data-num"));
                 let remaining = 9 - counts[num];