diff --git a/cherry_picker/cherry_picker/cherry_picker.py b/cherry_picker/cherry_picker/cherry_picker.py
index 1a689c4..223ed22 100755
--- a/cherry_picker/cherry_picker/cherry_picker.py
+++ b/cherry_picker/cherry_picker/cherry_picker.py
@@ -381,11 +381,11 @@ def check_repo(self):
               help=("Path to config file, .cherry_picker.toml "
                     "from project root by default"),
               default=None)
-@click.argument('commit_sha1', 'The commit sha1 to be cherry-picked', nargs=1,
-                default = "")
-@click.argument('branches', 'The branches to backport to', nargs=-1)
+@click.argument('commit_sha1', nargs=1, default="")
+@click.argument('branches', nargs=-1)
 def cherry_pick_cli(dry_run, pr_remote, abort, status, push, config_path,
                     commit_sha1, branches):
+    """cherry-pick COMMIT_SHA1 into target BRANCHES."""
 
     click.echo("\U0001F40D \U0001F352 \u26CF")
 
diff --git a/cherry_picker/pyproject.toml b/cherry_picker/pyproject.toml
index cde534f..c58dee3 100644
--- a/cherry_picker/pyproject.toml
+++ b/cherry_picker/pyproject.toml
@@ -9,7 +9,7 @@ author-email = "mariatta.wijaya@gmail.com"
 maintainer = "Python Core Developers"
 maintainer-email = "core-workflow@python.org"
 home-page = "https://github.com/python/core-workflow/tree/master/cherry_picker"
-requires = ["click~=6.7", "gidgethub", "requests", "toml"]
+requires = ["click>=6.0", "gidgethub", "requests", "toml"]
 dev-requires = ["pytest~=3.0.7"]
 description-file = "readme.rst"
 classifiers = ["Programming Language :: Python :: 3.6", "Intended Audience :: Developers", "License :: OSI Approved :: Apache Software License"]