diff --git a/ChangeLog b/ChangeLog
index 2d1d22c0a..eff529dbd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-10-16  Richard Frith-Macdonald <rfm@gnu.org>
+
+        * Source/NSCalendarDate.m: Fix typo (bug #24573)
+
 2008-10-12  Larry Campbelln
 
         * Source/NSDate.m: Add keyed archiving support.
diff --git a/Source/NSCalendarDate.m b/Source/NSCalendarDate.m
index c623daa2e..27c019ee1 100644
--- a/Source/NSCalendarDate.m
+++ b/Source/NSCalendarDate.m
@@ -1831,7 +1831,7 @@ static void Grow(DescriptionInfo *info, unsigned size)
 		break;
 
 	      case 'T':
-		[self _format: @"%H:%M:S" locale: locale info: info];
+		[self _format: @"%H:%M:%S" locale: locale info: info];
 		break;
 
 	      case 't':