diff --git a/Downgrade-my-iPhone-4-to-a-lower-iOS-version.md b/Downgrade-my-iPhone-4-to-a-lower-iOS-version.md
index 63835b0..a48e0f1 100644
--- a/Downgrade-my-iPhone-4-to-a-lower-iOS-version.md
+++ b/Downgrade-my-iPhone-4-to-a-lower-iOS-version.md
@@ -3,6 +3,7 @@
 - **You do NOT need blobs to use this**, the script will get the needed iOS 7.1.2 blobs for you.
 - The restore will ERASE ALL DATA on your iOS device. Backup your data before proceeding.
 - Make sure to have at least 10 GB of free space on your PC/Mac.
+    - Linux live USB users of iOS-OTA-Downgrader need to have TWO USB drives: the live USB itself, and the other for storing iOS-OTA-Downgrader and the IPSW files.
 - Do not rename the IPSW firmwares from their default names.
 
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