diff --git a/doitchuu/NumberOf1Bits.js b/doitchuu/NumberOf1Bits.js
index 66c9a45..78aedfd 100644
--- a/doitchuu/NumberOf1Bits.js
+++ b/doitchuu/NumberOf1Bits.js
@@ -1,3 +1,4 @@
+// 재업로드
 /**
  * @param {number} n - a positive integer
  * @return {number}
diff --git a/doitchuu/SameTree.js b/doitchuu/SameTree.js
index e0a108b..a316f28 100644
--- a/doitchuu/SameTree.js
+++ b/doitchuu/SameTree.js
@@ -1,3 +1,4 @@
+// 재업로드
 /**
  * Definition for a binary tree node.
  * function TreeNode(val, left, right) {