diff --git a/doc/running.md b/doc/running.md
index 978dce142dc..b19426fdebe 100644
--- a/doc/running.md
+++ b/doc/running.md
@@ -23,9 +23,11 @@ This guide provides instructions for running skiftOS on QEMU or real hardware us
 Execute the following command:
 
 ```bash
-$ qemu-system-x86_64 -bios <ovmf file> -drive format=raw,file=<image file> -m 512M -serial stdio -enable-kvm
+$ qemu-system-x86_64 -bios <ovmf file> -drive format=raw,file=<hdd file> -m 512M -serial stdio -enable-kvm
 ```
 
+Note: Replace `<ovmf file>` with the appropriate OVMF firmware file and `<hdd file>` with the HDD file you downloaded or builded.
+
 ## On Real Hardware
 
 > **⚠ Warning:** Running skiftOS on real hardware is not recommended. It is not ready for production use and may damage your computer.