diff --git a/camelot/cli.py b/camelot/cli.py
index a1a571e..3f240e0 100644
--- a/camelot/cli.py
+++ b/camelot/cli.py
@@ -32,7 +32,7 @@ pass_config = click.make_pass_decorator(Config)
 @click.version_option(version=__version__)
 @click.option('-q', '--quiet', is_flag=False, help='Suppress logs and warnings.')
 @click.option('-p', '--pages', default='1', help='Comma-separated page numbers.'
-              ' Example: 1,3,4 or 1,4-end.')
+              ' Example: 1,3,4 or 1,4-end or all.')
 @click.option('-pw', '--password', help='Password for decryption.')
 @click.option('-o', '--output', help='Output file path.')
 @click.option('-f', '--format',