diff --git a/src/icalendar/cal.py b/src/icalendar/cal.py
index ed5b1d3f..eec6e6d1 100644
--- a/src/icalendar/cal.py
+++ b/src/icalendar/cal.py
@@ -763,7 +763,7 @@ def start(self, value: datetime|date) -> None:
     
     @property
     def duration(self) -> timedelta:
-        """The journal does not last any time."""
+        """The journal has no duration."""
         return timedelta(0)
 
 class FreeBusy(Component):