diff --git a/Week_7_Assignment.ipynb b/Week_7_Assignment.ipynb
index 71b491e..ec98da0 100644
--- a/Week_7_Assignment.ipynb
+++ b/Week_7_Assignment.ipynb
@@ -50,7 +50,8 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Data Import"
+    "## Data Import\n",
+    "Source: https://earthquake.usgs.gov/earthquakes"
    ]
   },
   {