diff --git a/dfs.cc b/dfs.cc
index 4919fb8..c7d9535 100644
--- a/dfs.cc
+++ b/dfs.cc
@@ -24,17 +24,17 @@
 #include <iostream>
 
 class node {
-public:
+    public:
 	node(std::string const &name) : name_(name) {}
 	void	add_child(class node *n)
-		{
-			children_.push_back(n);
-		}
+	{
+		children_.push_back(n);
+	}
 
 	void	dfs(std::list<std::string> &res);
 	bool				visited;
 
-private:
+    private:
 	std::string const		name_;
 	std::list<class node *>		children_;
 };