Add missing help text (#122)

Author: satterly

alertaclient/commands/cmd_login.py

@@ -6,8 +6,8 @@
 
 
 @click.command('login', short_help='Login with user credentials')
-@click.option('--username', metavar='EMAIL', prompt='Email')
-@click.password_option(confirmation_prompt=False)
+@click.option('--username', metavar='EMAIL', prompt='Email', help='Email address')
+@click.password_option(confirmation_prompt=False, help='Password')
 @click.pass_obj
 def cli(obj, username, password):
     """Use this tool with username/password instead of API key."""

alertaclient/commands/cmd_user.py

@@ -8,7 +8,7 @@
 @click.command('user', short_help='Update user')
 @click.option('--id', '-i', metavar='UUID', help='User ID')
 @click.option('--name', help='Name of user')
-@click.option('--email', help='Email address')
+@click.option('--email', help='Email address (login username)')
 @click.option('--password', help='Password')
 @click.option('--status', help='Status eg. active, inactive')
 @click.option('--role', 'roles', multiple=True, help='List of roles')