Fixes#243: Fixed Typo in Horses Humans Script (#244)

* Fixed Typo in Horses Humans Script

* Fixed Typo in Horses Humans Script

* Fixed Typo in Horses Humans Script

Author: ParthS007

tensorflow_datasets/testing/horses_or_humans.py

@@ -13,9 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-r"""Generate fake data for rock_paper_scissors dataset.
-
-"""
+r"""Generate fake data for horses_or_humans dataset."""
 
 from __future__ import absolute_import
 from __future__ import division