diff --git a/MdePkg/Include/IndustryStandard/WatchdogResourceTable.h b/MdePkg/Include/IndustryStandard/WatchdogResourceTable.h
index 8c83c9a1b8..5afe1a4bb7 100644
--- a/MdePkg/Include/IndustryStandard/WatchdogResourceTable.h
+++ b/MdePkg/Include/IndustryStandard/WatchdogResourceTable.h
@@ -96,7 +96,7 @@ typedef struct {
 #define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_RUNNING_STATE              0x9
 #define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_STOPPED_STATE            0xA
 #define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_STOPPED_STATE              0xB
-#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_ REBOOT                  0x10
+#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_REBOOT                   0x10
 #define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_REBOOT                     0x11
 #define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_SHUTDOWN                 0x12
 #define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_SHUTDOWN                   0x13