Bug#789548: summit.debconf.org: typo on web page

[Faheem Mitha <faheem@faheem.info>]

Package: summit.debconf.org
Severity: minor

In http://debconf15.debconf.org/registration.xhtml described is
mis-spelled a couple of times as decribed (missing 's').

                                                Regards, Faheem

-- System Information:
Debian Release: 8.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'oldstable-updates'), (500, 'stable'), (500, 'oldstable'), (50, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16.0-4-amd64 (SMP w/6 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)