readme MD

README.md

@@ -21,12 +21,13 @@ sudo apt-get install libgdal-dev
 ```
 ### Example
 ```python
+from geosentinel import APISentinel
 sentinel = APISentinel('username',  'password')
 products = sentinel.getProducts("POLYGON((-89.99450683593753 21.279137394108716,-89.13757324218751 21.2996106049456,-89.30236816406251 20.68418377935238,-90.0494384765625 20.715015145512098,-89.99450683593753 21.279137394108716))", ('20151219', date(2015,12,29)), {"platformname":"Sentinel-2"})
 print len(products)
 sentinel.downloadProducts(products,".")
 
 ```
-## Download
+## Download Tool
 
 ## L2A Products