Change Quantities tutorial title to better reflect usage of both Quantities and Units

Author: kakirastern

tutorials/notebooks/quantities/quantities.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Using Astropy Quantities for astrophysical calculations\n",
+    "# Using Astropy Quantities and Units for astrophysical calculations\n",
     "\n",
     "## Authors\n",
     "Ana Bonaca, Erik Tollerud, Jonathan Foster\n",
@@ -1512,9 +1512,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.8"
+   "version": "3.7.3"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 1
+ "nbformat_minor": 2
 }