diff --git a/README.md b/README.md
index eb15fe7..95d62be 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ This repository contains firmware files for the Apple-1 Serial Interface expansi
 This project aims to provide alternative to the ACI for the Apple-1 replica or original boards owners via use of the serial communication (9600/8-N-1).
 The project is based around ATMega328P MCU which operates as half-duplex UART.
 
-# Memory map
+## Memory map
 
 | address | function |
 | --- | --- |
@@ -15,13 +15,13 @@ The project is based around ATMega328P MCU which operates as half-duplex UART.
 | `$C300` | "teletype on apple-1" test program - the data from remote terminal appears on Apple-1 screen |
 | `$C400` | "teletype on remote" test program - the data from Apple-1 appears on remote terminal |
 | `$C500` | 0-255 repeating counter - all possible bytes are repeatedly sent to remote terminal |
-| `$C600` | serialmonitor - the well known Woz Monitor, but now you type on the remote terminal |
+| `$C600` | serialmonitor - the well known Woz Monitor, but now on the remote terminal |
 
 entries for programmers:
 
 | address | function |
 | --- | --- |
-| `$C000` | ready flag - contains 0x00 if the device is ready to write/read byte |
+| `$C000` | ready flag - contains 0x01 if the device is ready to write/read byte, 0x00 otherwise |
 | `$C080` | read address - the location for data read from the interface, first read of this address switches the device to read mode |
 | `$C081` | write address - the location for data to be written via the interface, first write to this address switches the device to read mode |
 | `$C23A` | software reset routine - resets the MCU |
@@ -37,15 +37,15 @@ entries for programmers:
 
 The contents of this repository are as following:
 
-firmware/ - contains source code for the ATMega328 MCU firmware
-mapping/ - contains EQN and JED files for GAL20V8 based address decoder for the board
-src/ - contains the 6502 assembly sources for the A1SI onboard ROM routines
+* firmware/ - contains source code for the ATMega328 MCU firmware
+* mapping/ - contains EQN and JED files for GAL20V8 based address decoder for the board
+* src/ - contains the 6502 assembly sources for the A1SI onboard ROM routines
 
 ## Requirements
 
-You need the following to sucessfully build the firmware:
+You need the following to successfully build the firmware:
 
-* [xa](https://www.floodgap.com/retrotech/xa/) cross assembler software
+* [xa](https://www.floodgap.com/retrotech/xa/) cross assembler
 * [avr-gcc](https://gcc.gnu.org/wiki/avr-gcc) toolchain
 * [avr-libc](https://www.nongnu.org/avr-libc/) set of libraries
 * [AVRDUDE](https://www.nongnu.org/avrdude/) AVR programmer software or equivalent
@@ -62,8 +62,15 @@ And to clean the build:
 
 `make clean`
 
-# PCB
+## PCB
 
 The KiCad project files with board design and schematics can be found here:
 
 http://github.com/flowenol/Apple1SerialPcb
+
+## Applesoft BASIC support
+
+You can also `LOAD` and `SAVE` your Applesoft BASIC programs thanks to the branch of the
+applesoft-lite project which has been modified to make use of the A1SI expansion card:
+
+http://github.com/flowenol/applesoft-lite