diff --git a/COG-Modeling-Data/Split Furnaces-Copy1.ipynb b/COG-Modeling-Data/Split Furnaces-Copy1.ipynb
index 3fc92c1..044eeb9 100644
--- a/COG-Modeling-Data/Split Furnaces-Copy1.ipynb	
+++ b/COG-Modeling-Data/Split Furnaces-Copy1.ipynb	
@@ -22,6 +22,14 @@
     "import seaborn as sns"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "329980e1",
+   "metadata": {},
+   "source": [
+    "# D1 COG 사용량"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 2,