diff --git a/BurnOutSharp/PackerType/MicrosoftCABSFX.cs b/BurnOutSharp/PackerType/MicrosoftCABSFX.cs
index 1e493f9f..c9b308cc 100644
--- a/BurnOutSharp/PackerType/MicrosoftCABSFX.cs
+++ b/BurnOutSharp/PackerType/MicrosoftCABSFX.cs
@@ -10,6 +10,7 @@ using BurnOutSharp.Tools;
 namespace BurnOutSharp.PackerType
 {
     // TODO: Add extraction, which should be possible with LibMSPackN, but it refuses to extract due to SFX files lacking the typical CAB identifiers.
+    // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
     public class MicrosoftCABSFX : IPortableExecutableCheck, IScannable
     {
         /// <inheritdoc/>