typo

Author: adrn

tutorials/Plot-Catalog/plot-catalog.ipynb

@@ -3,7 +3,7 @@
   "astropy-tutorials": {
    "author": "Adrian M. Price-Whelan <adrn@astro.columbia.edu> and Kelle Cruz <kellecruz@gmail.com>",
    "date": "July 2013",
-   "description": "Demonstrates use of astropy.io.ascii for reading and writing ASCII data, astropy.coordinates and astropy.units for converting RA (as a sexagesimal angle) to decimal degrees, and matplotlib for making a color-magnitud diagram and on-sky locations in a mollweide projection.",
+   "description": "Demonstrates use of astropy.io.ascii for reading and writing ASCII data, astropy.coordinates and astropy.units for converting RA (as a sexagesimal angle) to decimal degrees, and matplotlib for making a color-magnitude diagram and on-sky locations in a mollweide projection.",
    "link_name": "Read and plot catalog information from a text file",
    "name": "",
    "published": true