Update Microsoft.Toolkit.Uwp/Helpers/ObjectStorage/SystemSerializer.cs

Co-authored-by: Michael Hawker MSFT (XAML Llama) <[email protected]>

Author: shweaver-MSFT

Microsoft.Toolkit.Uwp/Helpers/ObjectStorage/SystemSerializer.cs

@@ -12,7 +12,7 @@ namespace Microsoft.Toolkit.Uwp.Helpers
     /// A bare-bones serializer which knows how to deal with primitive types and strings only. It will store them directly based on the <see cref="ApplicationDataContainer"/> API.
     /// It is recommended for more complex scenarios to implement your own <see cref="IObjectSerializer"/> based on System.Text.Json, Newtonsoft.Json, or DataContractJsonSerializer see https://aka.ms/wct/storagehelper-migration
     /// </summary>
-    [Obsolete("SystemSerializer has been migrated to the *.Toolikit package.")]
+    [Obsolete("SystemSerializer has been migrated to the Microsoft.Toolkit (CommunityToolkit.Common) package.")]
     public class SystemSerializer : IObjectSerializer
     {
         /// <summary>
@@ -47,4 +47,4 @@ public object Serialize<T>(T value)
             return value;
         }
     }
-}
+}