diff --git a/226. Invert Binary Tree.java b/226. Invert Binary Tree.java
index e07f89b..294301c 100644
--- a/226. Invert Binary Tree.java	
+++ b/226. Invert Binary Tree.java	
@@ -35,12 +35,12 @@ public TreeNode invertTree(TreeNode root) {
     }
     
     public void invertTreeUtil(TreeNode node){
-        if(node == null)
-            return;
+        if(node == null){
+            return;}
         TreeNode temp = node.left;
         node.left = node.right;
         node.right = temp;
         invertTreeUtil(node.left);
         invertTreeUtil(node.right);
     }
-}
\ No newline at end of file
+}