diff --git a/src/common/DeviceTypes.py b/src/common/DeviceTypes.py
index a237223d5306c3a0342f78a4efb251348e12db23..15823b6a370caf6af1f6dc93a22d6774456d6936 100644
--- a/src/common/DeviceTypes.py
+++ b/src/common/DeviceTypes.py
@@ -15,6 +15,7 @@
 from enum import Enum
 
 class DeviceTypeEnum(Enum):
+    # Emulated device types
     EMULATED_DATACENTER             = 'emu-datacenter'
     EMULATED_MICROVAWE_RADIO_SYSTEM = 'emu-microwave-radio-system'
     EMULATED_OPEN_LINE_SYSTEM       = 'emu-open-line-system'
@@ -24,6 +25,7 @@ class DeviceTypeEnum(Enum):
     EMULATED_PACKET_ROUTER          = 'emu-packet-router'
     EMULATED_PACKET_SWITCH          = 'emu-packet-switch'
 
+    # Real device types
     DATACENTER                      = 'datacenter'
     MICROVAWE_RADIO_SYSTEM          = 'microwave-radio-system'
     OPEN_LINE_SYSTEM                = 'open-line-system'