It has a description from another package:

# rpm -q logintop10 wtmptail -i
Name        : logintop10                   Relocations: (not relocatable)
Version     : 1.9                               Vendor: ALT Linux Team
Release     : alt1                          Build Date: Wed Nov 15 16:36:31 2006
Install date: Sun Sep 21 04:26:34 2008      Build Host: bee5.hasher.altlinux.org
Group       : Monitoring                    Source RPM: logintop10-1.9-alt1.src.rpm
Size        : 38884                            License: GPL
Packager    : Mikhail Pokidko <pma@altlinux.ru>
URL         : http://www.vanheusden.com/wtmptail/
Summary     : generate wtmp statistics
Description :                   
 The  program  wtmptail  shows  all  new entries in the wtmp-file (which
resides usually in /var/log). This way one can watch  users  login  and
logout.  Optionally,  a  filename  can be given. That file will then be
used instead of the default which is /var/log/wtmp.
Name        : wtmptail                     Relocations: (not relocatable)
Version     : 1.3                               Vendor: ALT Linux Team
Release     : alt1                          Build Date: Wed Nov 15 16:36:13 2006
Install date: Sun Sep 21 04:26:35 2008      Build Host: bee5.hasher.altlinux.org
Group       : Monitoring                    Source RPM: wtmptail-1.3-alt1.src.rpm
Size        : 7727                             License: GPL
Packager    : Mikhail Pokidko <pma@altlinux.ru>
URL         : http://www.vanheusden.com/wtmptail/
Summary     : generate wtmp statistics
Description :
 The  program  wtmptail  shows  all  new entries in the wtmp-file (which
resides usually in /var/log). This way one can watch  users  login  and
logout.  Optionally,  a  filename  can be given. That file will then be
used instead of the default which is /var/log/wtmp.
#