diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 5591b2f068..5a7de46ee5 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -895,6 +895,7 @@
   #  EfiMemoryMappedIO              0x0800<BR>
   #  EfiMemoryMappedIOPortSpace     0x1000<BR>
   #  EfiPalCode                     0x2000<BR>
+  #  EfiPersistentMemory            0x4000<BR>
   #  OS Reserved        0x8000000000000000<BR>
   #
   # e.g. Reserved+ACPINvs+ACPIReclaim+RuntimeCode+RuntimeData are needed, 0x661 should be used.<BR>
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index 1527453712..a3ed93e037 100644
Binary files a/MdeModulePkg/MdeModulePkg.uni and b/MdeModulePkg/MdeModulePkg.uni differ