diff --git a/Rules-for-adding-new-device-types.md b/Rules-for-adding-new-device-types.md
index a7d7c48..94061a7 100644
--- a/Rules-for-adding-new-device-types.md
+++ b/Rules-for-adding-new-device-types.md
@@ -2,7 +2,7 @@ Before adding a new device type check that none of the existing types is appropr
 
 Steps for adding a new device type:
 
-1. Add the device type to the PbDeviceType enum of the protobuf definition in `rascsi_interface.proto`.
+1. Add the device type to the PbDeviceType enum of the protobuf definition in `piscsi_interface.proto`.
 2. Add code for creating the device type to the DeviceFactory class in `devices/device_factory.cpp`.
 3. Add the device type specific implementation in new .cpp/.h files located in the devices folder.
 4. Ensure to initialize the device type with its device type properties and supported SCSI commands in the Init() method.