Merge remote-tracking branch 'origin/master'

tutorials/git_and_github.md

@@ -40,7 +40,7 @@ and don't forget to write a nice message about the changes made.
 
 **Step 5.** In this step we pull the changes from the remote repository and merge them with ours. Then we push the merged changes back up to the master branch of the origin (the remote repository).
 ```
-$ git pull remote
+$ git pull origin
 $ git push origin master
 ```
 

wk7/wk7.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Week"
+    "# Week 7: Tennis Data Exploration"
    ]
   },
   {

wk8/wk8.ipynb

@@ -1,5 +1,12 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Week 8: Unrest via Sparse Credit Card Data"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,