fix typos in online-tutorial 03_computation.ipynb

Author: loganthomas

workshops/online-tutorial-series/03_computation.ipynb

@@ -98,8 +98,8 @@
     "**Broadcasting** allows an operator or a function to act on two or more arrays\n",
     "to operate even if these arrays do not have the same shape. That said, not all\n",
     "the dimensions can be subjected to broadcasting; they must meet certain rules.\n",
-    "The image below t illustrates how performing an operation on arrays with\n",
-    "differenty coordinates will result in automatic broadcasting\n",
+    "The image below illustrates how performing an operation on arrays with\n",
+    "differently coordinates will result in automatic broadcasting\n",
     "\n",
     "![](../../images/broadcasting.png)\n",
     "\n",