diff --git a/MdePkg/Include/IndustryStandard/SmBios.h b/MdePkg/Include/IndustryStandard/SmBios.h
index 7f4265e0e7..73b2b09c81 100644
--- a/MdePkg/Include/IndustryStandard/SmBios.h
+++ b/MdePkg/Include/IndustryStandard/SmBios.h
@@ -38,9 +38,9 @@ typedef struct {
   UINT8   SmbiosBcdRevision;
 } SMBIOS_TABLE_ENTRY_POINT;
 
-//
-// The Smbios structure header
-//
+///
+/// The Smbios structure header
+///
 typedef struct {
   UINT8   Type;
   UINT8   Length;
diff --git a/MdePkg/Include/IndustryStandard/Tpm12.h b/MdePkg/Include/IndustryStandard/Tpm12.h
index ddf10d2266..fc2eaa4da2 100644
--- a/MdePkg/Include/IndustryStandard/Tpm12.h
+++ b/MdePkg/Include/IndustryStandard/Tpm12.h
@@ -16,9 +16,9 @@
 #ifndef _TPM12_H_
 #define _TPM12_H_
 
-//
-// The start of TPM return codes
-//
+///
+/// The start of TPM return codes
+///
 #define TPM_BASE                    (EFI_MAX_BIT + (EFI_MAX_BIT >> 1))
 
 //