diff --git a/rEFIt_UEFI/Platform/guid.cpp b/rEFIt_UEFI/Platform/guid.cpp
index f2a6ac151..a78465459 100644
--- a/rEFIt_UEFI/Platform/guid.cpp
+++ b/rEFIt_UEFI/Platform/guid.cpp
@@ -90,7 +90,12 @@ EFI_PART_TYPE_LEGACY_MBR_GUID {0x024DEE41, 0x33E7, 0x11D3, {0x9D, 0x69, 0x00, 0x
 // gAppleFpfConfigurationHobGuid  = { 0xE3CC8EC6, 0x81C1, 0x4271, { 0xAC, 0xBC, 0xDB, 0x65, 0x08, 0x6E, 0x8D, 0xC8 }}
 // 59D76AE4-37E3-55A7-B460-EF13D46E6020 AppleEncryptedPartitionProtocolGuid
 // 17A1D98C-9A6C-460B-A3AD-D5C9E76D2177 - protocol before GetVariable(ExtendedFirmwareFeatures...)
-// EDB4A040-6D8A-11EC-8FAD-3E22FB93ADCF -
+// EDB4A040-6D8A-11EC-8FAD-3E22FB93ADCF
+
+/**
+  Apple Debug Log protocol GUID.
+  DDFA34FB-FE1F-48EA-B213-FB4A4CD57BE3
+**/
 
 /*
 #define APPLE_SECURE_BOOT_VARIABLE_GUID  \