Update FITS-tables.ipynb

added description.

Author: kelle

tutorials/FITS-tables/FITS-tables.ipynb

@@ -5,7 +5,8 @@
    "date": "January 2014",
    "link_name": "Viewing and manipulating data from FITS tables",
    "name": "",
-   "published": true
+   "published": true,
+   "description" : "astropy.utils.data to download the file, astropy.io.fits to open and view the file, matplotlib for making both 1D and 2D histograms of the data."
   },
   "signature": "sha256:9e0497be4b203e31064ce5428d54a3390ac6ecfb4de53d0c6262c2a17ecbdf4f"
  },
@@ -310,4 +311,4 @@
    "metadata": {}
   }
  ]
-}
+}