diff --git a/Source/HBIOS/md.asm b/Source/HBIOS/md.asm
index 61c6ae33..47160004 100644
--- a/Source/HBIOS/md.asm
+++ b/Source/HBIOS/md.asm
@@ -800,25 +800,30 @@ FF_NXT2:
 ;
 ;  MD_FIDENT_R - IDENTIFY FLASH CHIP	
 ;   ON ENTRY MD_FBAS HAS BEEN SET WITH BANK AND SECTOR BEING ACCESSED
+;            HL      POINTS TO THE ROUTINE TO RELOCATED AND CALLED
 ;   ON EXIT  BC      CONTAINS THE CHIP ID BYTES.
 ;            A       NO STATUS IS RETURNED 
 ;
 ;  MD_FERAS_R - ERASE FLASH SECTOR	
 ;   ON ENTRY MD_FBAS HAS BEEN SET WITH BANK AND SECTOR BEING ACCESSED
+;            HL      POINTS TO THE ROUTINE TO RELOCATED AND CALLED
 ;   ON EXIT  A       RETURNS STATUS 0=SUCCESS NZ=FAIL
 ;
 ;  MD_FREAD_R - READ FLASH SECTOR    
 ;   ON ENTRY MD_FBAS HAS BEEN SET WITH BANK AND SECTOR BEING ACCESSED
+;            HL      POINTS TO THE ROUTINE TO RELOCATED AND CALLED
 ;            IX      POINTS TO WHERE TO SAVE DATA
 ;   ON EXIT  A       NO STATUS IS RETURNED
 ;
 ;  MD_VERI_R - VERIFY FLASH SECTOR
 ;   ON ENTRY MD_FBAS HAS BEEN SET WITH BANK AND SECTOR BEING ACCESSED
+;            HL      POINTS TO THE ROUTINE TO RELOCATED AND CALLED
 ;            IX      POINTS TO DATA TO COMPARE.
 ;   ON EXIT  A       RETURNS STATUS 0=SUCCESS NZ=FAIL
 ;
 ;  MD_FWRIT_R - WRITE FLASH SECTOR   
 ;   ON ENTRY MD_FBAS HAS BEEN SET WITH BANK AND SECTOR BEING ACCESSED
+;            HL      POINTS TO THE ROUTINE TO RELOCATED AND CALLED
 ;            IX      POINTS TO DATA TO BE WRITTEN
 ;   ON EXIT  A       NO STATUS IS RETURNED
 ;