diff --git a/src/MapKit/MKEnums.cs b/src/MapKit/MKEnums.cs
index 3a98a342fddf..81e6afd75060 100644
--- a/src/MapKit/MKEnums.cs
+++ b/src/MapKit/MKEnums.cs
@@ -115,7 +115,7 @@ public enum MKUserTrackingMode : ulong {
 		None,
 		Follow, 
 #if !XAMCORE_5_0 && !(IOS || MACCATALYST)
-		[Obsolete ("This is only available on iOS and MacCatalyst")]
+		[Obsolete ("This is only available on iOS and MacCatalyst.")]
 		FollowWithHeading,
 #elif IOS || MACCATALYST
 		FollowWithHeading,