diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 356b3e1119..626e479f5e 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -1739,7 +1739,7 @@
   ## This PCD holds the address mask for page table entries when memory encryption is
   #  enabled on AMD processors supporting the Secure Encrypted Virtualization (SEV) feature.
   #  This mask should be applied when creating 1:1 virtual to physical mapping tables.
-  #
+  # @Prompt The address mask when memory encryption is enabled.
   gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask|0x0|UINT64|0x30001047
 
 [PcdsPatchableInModule]
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index ff0d697078..d6015de75f 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -1089,3 +1089,41 @@
                                                                                           "BIT0       - Image from unknown device. <BR>\n"
                                                                                           "BIT1       - Image from firmware volume.<BR>"
 
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdDxeNxMemoryProtectionPolicy_PROMPT  #language en-US "Set DXE memory protection policy."
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdDxeNxMemoryProtectionPolicy_HELP  #language en-US "Set DXE memory protection policy. The policy is bitwise.\n"
+                                                                                                "If a bit is set, memory regions of the associated type will be mapped\n"
+                                                                                                "non-executable.<BR><BR>\n"
+                                                                                                "\n"
+                                                                                                "Below is bit mask for this PCD: (Order is same as UEFI spec)<BR>\n"
+                                                                                                "EfiReservedMemoryType          0x0001<BR>\n"
+                                                                                                "EfiLoaderCode                  0x0002<BR>\n"
+                                                                                                "EfiLoaderData                  0x0004<BR>\n"
+                                                                                                "EfiBootServicesCode            0x0008<BR>\n"
+                                                                                                "EfiBootServicesData            0x0010<BR>\n"
+                                                                                                "EfiRuntimeServicesCode         0x0020<BR>\n"
+                                                                                                "EfiRuntimeServicesData         0x0040<BR>\n"
+                                                                                                "EfiConventionalMemory          0x0080<BR>\n"
+                                                                                                "EfiUnusableMemory              0x0100<BR>\n"
+                                                                                                "EfiACPIReclaimMemory           0x0200<BR>\n"
+                                                                                                "EfiACPIMemoryNVS               0x0400<BR>\n"
+                                                                                                "EfiMemoryMappedIO              0x0800<BR>\n"
+                                                                                                "EfiMemoryMappedIOPortSpace     0x1000<BR>\n"
+                                                                                                "EfiPalCode                     0x2000<BR>\n"
+                                                                                                "EfiPersistentMemory            0x4000<BR>\n"
+                                                                                                "OEM Reserved       0x4000000000000000<BR>\n"
+                                                                                                "OS Reserved        0x8000000000000000<BR>\n"
+                                                                                                "\n"
+                                                                                                "NOTE: User must NOT set NX protection for EfiLoaderCode / EfiBootServicesCode / EfiRuntimeServicesCode. <BR>\n"
+                                                                                                "User MUST set the same NX protection for EfiBootServicesData and EfiConventionalMemory. <BR>\n"
+                                                                                                "\n"
+                                                                                                "e.g. 0x7FD5 can be used for all memory except Code. <BR>\n"
+                                                                                                "e.g. 0x7BD4 can be used for all memory except Code and ACPINVS/Reserved. <BR>\n"
+                                                                                                ""
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPteMemoryEncryptionAddressOrMask_PROMPT  #language en-US "The address mask when memory encryption is enabled."
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdPteMemoryEncryptionAddressOrMask_HELP  #language en-US "This PCD holds the address mask for page table entries when memory encryption is\n"
+                                                                                                     "enabled on AMD processors supporting the Secure Encrypted Virtualization (SEV) feature.\n"
+                                                                                                     "This mask should be applied when creating 1:1 virtual to physical mapping tables."
+