QA feedback tweaks

Author: craigsdennis

s1n04-creating-a-dataframe.ipynb

@@ -267,7 +267,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "And remember that can specify the index by supplying the `index` keyword argument."
+    "And remember that you can specify the index by supplying the `index` keyword argument."
    ]
   },
   {

s2n01-exploration-methods.ipynb

@@ -727,7 +727,7 @@
     "### Rearranging your data\n",
     "You can create a new `DataFrame` that is sorted by using the [`sort_values`](https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.sort_values.html) method.\n",
     "\n",
-    "Let's sort the DataFrame so that the user with the highest **`balance`** is at the top. By default, ascending order is assumend, you can change that by setting the `ascending` keyword argument to `False`."
+    "Let's sort the DataFrame so that the user with the highest **`balance`** is at the top. By default, ascending order is assumed, you can change that by setting the `ascending` keyword argument to `False`."
    ]
   },
   {