diff --git a/pre_commit/main.py b/pre_commit/main.py
index 7092a5a8..0e092667 100644
--- a/pre_commit/main.py
+++ b/pre_commit/main.py
@@ -79,7 +79,7 @@ def main(argv=None):
     run_parser.add_argument('hook', nargs='?', help='A single hook-id to run')
     run_parser.add_argument(
         '--color', default='auto', type=color.use_color,
-        help='Whether to use color in output.  Defaults to `auto`',
+        help='Whether to use color in output.  Choices are `always`, `never`, or `auto`.  Defaults to `auto`.',
     )
     run_parser.add_argument(
         '--no-stash', default=False, action='store_true',
@@ -98,7 +98,7 @@ def main(argv=None):
     )
     run_parser.add_argument(
         '--allow-unstaged-config', default=False, action='store_true',
-        help='Allow an unstaged config to be present.  Note that this will'
+        help='Allow an unstaged config to be present.  Note that this will '
         'be stashed before parsing unless --no-stash is specified'
     )
     run_parser.add_argument(