Merge pull request jerry-git#4 from jasrys/master

Fix typo

Author: jerry-git

notebooks/beginner/classes.ipynb

@@ -28,7 +28,7 @@
  "outputs": [],
  "source": [
  "my_instance = MyFirstClass('John Doe')\n",
- "print('my_intance: {}'.format(my_instance))\n",
+ "print('my_instance: {}'.format(my_instance))\n",
  "print('type: {}'.format(type(my_instance)))\n",
  "print('my_instance.name: {}'.format(my_instance.name))"
  ]