update mdl package info

Author: avaamini

lab1/solutions/Part1_TensorFlow_Solution.ipynb

@@ -81,7 +81,7 @@
         "%tensorflow_version 2.x\n",
         "import tensorflow as tf\n",
         "\n",
-        "# Download and import the MIT 6.S191 package\n",
+        "# Download and import the MIT Introduction to Deep Learning package\n",
         "!pip install mitdeeplearning\n",
         "import mitdeeplearning as mdl\n",
         "\n",