diff --git a/SabreTools.Models/PlayStation4/AppPkgHeader.cs b/SabreTools.Models/PlayStation4/AppPkgHeader.cs
index 78a0584..947f581 100644
--- a/SabreTools.Models/PlayStation4/AppPkgHeader.cs
+++ b/SabreTools.Models/PlayStation4/AppPkgHeader.cs
@@ -3,6 +3,7 @@ using System.Runtime.InteropServices;
 namespace SabreTools.Models.PlayStation4
 {
     /// <see href="https://www.psdevwiki.com/ps4/PKG_files"/>
+    /// <remarks>All numeric values are big-endian</remarks>
     [StructLayout(LayoutKind.Sequential)]
     public class AppPkgHeader
     {