diff --git a/BOOT/ENVIRON/README.md b/BOOT/ENVIRON/README.md
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+# Boot Environment Source Files
+
+> XX = anything
+
+| File | Public Routines |
+|-|-|
+| APP/BOOTMGR/EFI/efientry.c | EfiMain() |
+| APP/BOOTMGR/bootmgr.c | BmMain() |
+| APP/BOOTMGR/bcd.c | BmXXDataStore() |
+| LIB/EFI/efifw.c | BlpFwXX() |
+| LIB/EFI/efimm.c | MmFwXX() |
+| LIB/EFI/efiinit.c | EfiInitXX() |
+| LIB/EFI/eficon.c | ConsoleXX() |
+| LIB/EFI/efilib.c | EfiGetEfiStatusCode() |
+| LIB/MM/mm.c | BlpMmXX() |
+| LIB/MM/mmpa.c | MmPaXX() |
+| LIB/bootlib.c | BlXXLibrary() |
+| LIB/bootopt.c | BlXXBootOptionXX() |