diff --git a/Week_04.ipynb b/Week_04.ipynb
index 7ee104c..f060728 100644
--- a/Week_04.ipynb
+++ b/Week_04.ipynb
@@ -502,7 +502,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": null,
    "metadata": {
     "collapsed": true
    },
@@ -512,7 +512,7 @@
     "\n",
     "words = ['ball', 'base']\n",
     "\n",
-    "nums.insert(0, 'glove')       # first number is the index, second is the value"
+    "words.insert(0, 'glove')       # first number is the index, second is the value"
    ]
   },
   {