Update machine-learning/03-Training and AutoML.ipynb

Co-authored-by: Jake <31937616+JakeRadMSFT@users.noreply.github.com>

Author: LittleLittleCloud

machine-learning/03-Training and AutoML.ipynb

@@ -12,12 +12,10 @@
       "metadata": {},
       "source": [
         "## In this Notebook, you will learn\n",
-        "- What is __Training__ actually mean in machine learning\n",
-        "- Available trainers in ML.Net, their difference, and how to decide which one to use.\n",
-        "- How hyper-parameter affects training performance.\n",
-        "- How to use built-in AutoML to simplify your training process.\n",
-        "\n",
-        "To be clarify, this notebook only talks about surpervised learning, so the training process will be performed on labeled data."
+        "- What does __Training__ mean?\n",
+        "- Introduction to trainers,  some of their differences, and how to decide which one to use.\n",
+        "- How hyper-parameters impact training performance.\n",
+        "- How to use AutoML to simplify your training process.\n"
       ]
     },
     {