Merge pull request jakevdp#22 from aaronvanderlip/master

Typo

Author: jakevdp

notebooks/02.00-Introduction-to-NumPy.ipynb

@@ -30,7 +30,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "THis chapter, along with chapter 3, outlines techniques for effectively loading, storing, and manipulating in-memory data in Python.\n",
+    "This chapter, along with chapter 3, outlines techniques for effectively loading, storing, and manipulating in-memory data in Python.\n",
     "The topic is very broad: datasets can come from a wide range of sources and a wide range of formats, including be collections of documents, collections of images, collections of sound clips, collections of numerical measurements, or nearly anything else.\n",
     "Despite this apparent heterogeneity, it will help us to think of all data fundamentally as arrays of numbers.\n",
     "\n",