Updated read_array documentation (#116)

plio/io/io_gdal.py

@@ -497,7 +497,7 @@ class GeoDataset(object):
                The image band number to be extracted as a NumPy array. Default band=1.
 
         pixels : list
-                 [xstart, ystart, xstop, ystop]. Default pixels=None.
+                 [xstart, ystart, xcount, ycount]. Default pixels=None.
 
         dtype : str
                 The NumPy dtype for the output array. Defaults to the band dtype.