Update NVMe.md
Following review suggestion.
@@ -6,8 +6,8 @@ Once initalization is done, SNAP actions must use the NVMe action interface (AX
## NVMe Host Action Registers (write only)
```
offset (write only registers)
- 0x0 : onboard memory address/SDRAM (low 32 bits)
- 0x4 : onboard memory address/SDRAM (high 32 bits)
+ 0x0 : onboard memory address (SDRAM) (low 32 bits)
+ 0x4 : onboard memory address (SDRAM) (high 32 bits)
0x8 : NVMe drive LB address (low 32 bits)
0xc : NVMe drive LB address (high 32 bits)
0x10: number of blocks to transfer (zero based value; a 0 means 1 block (512 bytes))
