diff --git a/Interfaces/IArchive.cs b/Interfaces/IArchive.cs
index 0cc3ebe..16a7e7d 100644
--- a/Interfaces/IArchive.cs
+++ b/Interfaces/IArchive.cs
@@ -103,8 +103,8 @@ public interface IArchive
/// Return a bitfield indicating the features supported by this archive type.
/// The ArchiveSupportedFeature bitfield.
///
- /// This should be a constant, tied to the archive type, not to the particular features used by the
- /// currently-opened archive file.
+ /// If the archive is not opened, this returns the capabilities of the archive format, otherwise it returns the
+ /// capabilities in use by the currently opened archive.
///
ArchiveSupportedFeature GetArchiveFeatures();