diff --git a/avr/README b/avr/README
index 480bdc7..0ec818c 100644
--- a/avr/README
+++ b/avr/README
@@ -2,8 +2,8 @@
 AqHome Node Base System
 =======================
 
-This is a very simple base system for AVR devices like ATtiny and ATmega MCUs written in
-pure AVR assembler.
+This is a very simple base system especially for old AVR devices like ATtiny and ATmega MCUs
+written in pure AVR assembler.
 
 It doesn't use administration objects in RAM, it just defines some routine calls which
 have to be added into the system to add new drivers and modules.
@@ -26,7 +26,7 @@ Currently supported (and in use) are:
 
 
 A full system consists of these elements:
-- device main app (main device code provided by the user providing full control to the developer)
+- device main app (main device code provided by the user allowing full control by the developer)
 - modules (basically drivers implementing support for hardware devices like sensors or displays)
 - apps (internal apps combining and extending functionality of driver modules)