diff --git a/readme.md b/readme.md
index 5a0c7f4..bc1103c 100644
--- a/readme.md
+++ b/readme.md
@@ -51,19 +51,13 @@ Misc:
 
 - `CF` - carry flag
 
-## Memory-mapped peripherals
+## Memory-map / Peripherals
 
-- 4x4 display
-- hex keypad (details TBD)
-- ? bank selector (for bank-switching)
+- `00-0F` - 4x4 display
+- `10-1F` - keypad? (details TBD)
+- `20   `    - initial value for IP ?
+- `21-FF` - free
 
 ### Maybe someday
 
 - timer (for a version in software/electronic-hardware)
-
-## Tentative memory map
-
-    00-0F - display
-    10-1F - keypad? (details TBD)
-    20    - initial value for IP ?
-    21-FF - free
\ No newline at end of file