diff --git a/UefiPayloadPkg/BlSMMStoreDxe/BlSMMStoreDxe.c b/UefiPayloadPkg/BlSMMStoreDxe/BlSMMStoreDxe.c
index b19aec26dd..0c52fe5134 100644
--- a/UefiPayloadPkg/BlSMMStoreDxe/BlSMMStoreDxe.c
+++ b/UefiPayloadPkg/BlSMMStoreDxe/BlSMMStoreDxe.c
@@ -271,7 +271,7 @@ BlSMMSTOREInitialise (
   //
   Status      = gDS->GetMemorySpaceDescriptor (SMMStoreInfoHob->ComBuffer, &GcdDescriptor);
   if (EFI_ERROR (Status) || GcdDescriptor.GcdMemoryType != EfiGcdMemoryTypeReserved) {
-    DEBUG((DEBUG_INFO, "%a: No memory space descriptor for com buffer found\n",
+    DEBUG((DEBUG_INFO, "%a: No reserved memory space descriptor for com buffer found\n",
       __FUNCTION__));
 
     //
@@ -300,7 +300,7 @@ BlSMMSTOREInitialise (
   //
   Status      = gDS->GetMemorySpaceDescriptor (SMMStoreInfoHob->MmioAddress, &GcdDescriptor);
   if (EFI_ERROR (Status) || GcdDescriptor.GcdMemoryType != EfiGcdMemoryTypeMemoryMappedIo) {
-    DEBUG((DEBUG_INFO, "%a: No memory space descriptor for com buffer found\n",
+    DEBUG((DEBUG_INFO, "%a: No MMIO memory space descriptor for com buffer found\n",
       __FUNCTION__));
 
     //