google-assistant-sdk: reword display flag help text

Change-Id: Id1b898344911b7328755fd781239f2191cc141ef

Author: proppy

google-assistant-sdk/googlesamples/assistant/grpc/pushtotalk.py

@@ -253,8 +253,7 @@ def gen_assist_requests(self):
               default='en-US',
               help='Language code of the Assistant')
 @click.option('--display', is_flag=True, default=False,
-              help='Enable visual display of Assistant '
-                   'rich media responses (for certain queries).')
+              help='Enable visual display of Assistant responses in HTML.')
 @click.option('--verbose', '-v', is_flag=True, default=False,
               help='Verbose logging.')
 @click.option('--input-audio-file', '-i',

google-assistant-sdk/googlesamples/assistant/grpc/textinput.py

@@ -147,8 +147,7 @@ def iter_assist_requests():
               default='en-US',
               help='Language code of the Assistant')
 @click.option('--display', is_flag=True, default=False,
-              help='Enable visual display of Assistant '
-                   'rich media responses (for certain queries).')
+              help='Enable visual display of Assistant responses in HTML.')
 @click.option('--verbose', '-v', is_flag=True, default=False,
               help='Verbose logging.')
 @click.option('--grpc-deadline', default=DEFAULT_GRPC_DEADLINE,