diff --git a/README.md b/README.md
index e02f00c..1999467 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Unfortunately, the architecture of Unisoc chipset boot ROM doesn't allow us to g
 
 UniFlash started out as UniDump (see [this blog post](https://chronovir.us/2021/12/18/Opus-Spreadtrum/)) but had been quickly upgraded to do both tasks.
 
-The `uniflash.py` file is the main script to use. The `unicmd.py` file is the library created for easier command interface encapsulation.
+The `uniflash.py` file is the main script to use. The `unicmd.py` file is the library created for easier command interface encapsulation. The `stoned.py` file is the library (as well as a standalone tool) to handle stone image unpacking.
 
 For further dumped firmware repacking, I recommend [bzpwork](https://github.com/ilyazx/bzpwork) by ilyazx.