Modified description to be nullable
Modified description to be nullable

Signed-off-by: Norbert Csaba Herczeg <278104f57a991b201eb24148c3a1dc07f75a9cb8@gmail.com>

anndro/SentryLdap,halfik/sentry,jgodish/sentry,gazsp/sentry,intrip/sentry,BootstrapCMS/Sentry,cartalyst/sentry