diff --git a/README.md b/README.md
index 3286485..7a9f3f4 100644
--- a/README.md
+++ b/README.md
@@ -32,5 +32,9 @@ This script facilitates the launching of GameCube ROMs using the Dolphin emulato
 
 - Install [libray](https://pypi.org/project/libray/)
     ```bash
-    sudo pip install libray
+    sudo pip install -y libray
+    ```
+- Decrypt with:
+    ```
+    libray -i file_in.iso -o file_out.iso -k dkey
     ```
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