[ci skip] update doc for visual recognition v3

Author: germanattanasio

watson_developer_cloud/visual_recognition_v3.py

@@ -70,7 +70,7 @@ def create_classifier(self, name, **kwargs):
         """
         Train a new classifier from example images which are uploaded.
         :param name: The desired short name of the new classifier.
-        :param <NAME>_positive_examples: Up to 5 zip files of images that depict the subject of the new classifier.
+        :param <NAME>_positive_examples: zip files of images that depict the subject of the new classifier.
         :param negative_examples: A zip file of images that do not depict the subject of the new classifier.
         :return:
         """