diff --git a/README.md b/README.md
index 86e18d9..4b9f913 100644
--- a/README.md
+++ b/README.md
@@ -84,6 +84,8 @@ The firmware is going to be unpacked (and uncompressed if necessary) into the fo
 
 LZMA-SPD, also known as LZMA-B3, is a proprietary modification of LZMA algorithm with simplified literal encoder/decoder.
 
+Both unsigned and VLR-signed images are supported for unpacking.
+
 ## Credits
 
 Created by Luxferre in 2021. All files except the FDL blobs are public domain.