diff --git "a/\342\234\205  Pattern 07: Tree Breadth First Search.md" "b/\342\234\205  Pattern 07: Tree Breadth First Search.md"
index bbf2440..46ef91f 100644
--- "a/\342\234\205  Pattern 07: Tree Breadth First Search.md"	
+++ "b/\342\234\205  Pattern 07: Tree Breadth First Search.md"	
@@ -85,9 +85,9 @@ function traverse (root) {
       if(TreeNode.left !== null) {
         queue.addBack(TreeNode.left)
       }
-    }
-    if(TreeNode.right !== null) {
-      queue.addBack(TreeNode.right)
+      if(TreeNode.right !== null) {
+        queue.addBack(TreeNode.right)
+      }
     }
   }