miseed a couple of changes

Author: alexsquires

content/data_work/io.ipynb

@@ -4,12 +4,13 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Reading and writing data\n",
     "\n",
     "prerequistes:\n",
     "1. simple plotting\n",
     "2. basics\n",
-    "3. reading documentation"
+    "3. reading documentation\n",
+    "\n",
+    "# Reading and writing data\n"
    ]
   },
   {
@@ -427,7 +428,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "From the above plot, its clear to see the boiling point of benzene as the density drops dramatically. These data were taken from the NIST website \\[1\\], where you can get access to all manner of chemical and physical properties of different chemical systems, download them as `.csv` files, and now you have the tools to do whatever you like with them!\n",
+    "From the above plot, it's clear to see the boiling point of benzene as the density drops dramatically. These data were taken from the NIST website \\[1\\], where you can get access to all manner of chemical and physical properties of different chemical systems, download them as `.csv` files, and now you have the tools to do whatever you like with them!\n",
     "\n",
     "## Excercise\n",
     "\n",