Incorrect config of group haproxy.cfg with multiple users/admins

[ALERT] 281/111839 (6) : parsing [/usr/local/etc/haproxy/haproxy.cfg:30]: 'group' only supports 'users' option.
[ALERT] 281/111839 (6) : Error(s) found in configuration file : /usr/local/etc/haproxy/haproxy.cfg
[ALERT] 281/111839 (6) : Fatal errors found in configuration.

Spaces are added between users in group user list, that is not supported by haproxy syntax