diff --git a/README.md b/README.md
index 014a019..09e75b2 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Every ESOP implementation must emulate the exact same memory layout as per this
 
 ## Control block
 
-Unlike Uxn/Varvara or Uxn/SPARTA, Uxn/ESOP only exposes the control block ports (`0x00` to `0x07`) for `DEI` and `DEO` instructions. When calling these instructions, the control block memory area is automatically updated accordingly.
+Unlike Uxn/Varvara or Uxn/SPARTA, Uxn/ESOP only exposes the control block ports (`00` to `07`) for `DEI` and `DEO` instructions. When calling these instructions, the control block memory area is automatically updated accordingly.
 
 In Uxntal, the ESOP's control block would be described as follows:
 
@@ -59,7 +59,7 @@ Standard input/output ports are not supported.
 
 ## Keypad input
 
-The 16 bits of the input port (`0x02-0x03`) have the following mapping:
+The 16 bits of the input ports (`02` and `03`) have the following mapping:
 
 Bit|15 |14 |13|12|11|10|9|8|7|6|5|4|3|2|1|0
 ---|---|---|--|--|--|--|-|-|-|-|-|-|-|-|-|-