diff --git a/sd/README.md b/sd/README.md
index c9445ad..1210a3f 100644
--- a/sd/README.md
+++ b/sd/README.md
@@ -415,16 +415,16 @@ gromsize
 grommap   
 Map corresponding bits   
 GROM#    BITMAP    HEX   DEC    
-3     = 0000 1000 = 08 = 8   
-4     = 0001 0000 = 10 = 16   
-5     = 0010 0000 = 20 = 32   
+3     = 0000 1000 = 08 = 008   
+4     = 0001 0000 = 10 = 016   
+5     = 0010 0000 = 20 = 032   
 7     = 1000 0000 = 80 = 128   
-34    = 0001 1000 = 18 = 24   
-35    = 0010 1000 = 28 = 40   
-45    = 0011 0000 = 30 = 48   
-56    = 0110 0000 = 60 = 96   
+34    = 0001 1000 = 18 = 024   
+35    = 0010 1000 = 28 = 040   
+45    = 0011 0000 = 30 = 048   
+56    = 0110 0000 = 60 = 096   
 67    = 1100 0000 = C0 = 192   
-345   = 0011 1000 = 38 = 56   
+345   = 0011 1000 = 38 = 056   
 356   = 0110 1000 = 68 = 104   
 456   = 0111 0000 = 70 = 112   
 3456  = 0111 1000 = 78 = 120