diff --git a/youtube_dl/options.py b/youtube_dl/options.py
index 6aeca61ee..e3dfb7af9 100644
--- a/youtube_dl/options.py
+++ b/youtube_dl/options.py
@@ -346,7 +346,7 @@ def _hide_login_info(opts):
     video_format.add_option(
         '--youtube-skip-dash-manifest',
         action='store_false', dest='youtube_include_dash_manifest',
-        help='Do not download the DASH manifest on YouTube videos')
+        help='Do not download the DASH manifests and related data on YouTube videos')
     video_format.add_option(
         '--merge-output-format',
         action='store', dest='merge_output_format', metavar='FORMAT', default=None,