diff --git a/Code/DAY 2.ipynb b/Code/DAY 2.ipynb
index ee89270..b314924 100644
--- a/Code/DAY 2.ipynb	
+++ b/Code/DAY 2.ipynb	
@@ -198,7 +198,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "##可视化"
+    "##第四步：可视化"
    ]
   },
   {