Add description for IcalTimeZone type

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/timezone.rs b/src/timezone.rs
index 843a1ed..855b9da 100644
--- a/src/timezone.rs
+++ b/src/timezone.rs
@@ -5,6 +5,7 @@ use std::ops::Deref;
 use super::IcalTime;
 use crate::utils::dateutil;
 
+/// A type representing a timezone.
 pub struct IcalTimeZone {
     timezone: *mut ical::icaltimezone,
 }