Update README.md

Author: PINTO0309

README.md

@@ -40,8 +40,8 @@ A repository that shares tuning results of trained models generated by Tensorflo
 |RaspberryPi3/4|Raspbian/Debian|Buster|aarch64 / armv8|3.7 / 2.7|64bit|
 |RaspberryPi3/4|Ubuntu 20.04|Focal|armhf / armv7l|3.8|32bit|
 |RaspberryPi3/4|Ubuntu 20.04|Focal|aarch64 / armv8|3.8|64bit|
-|RaspberryPi3/4|Ubuntu 21.04/Debian|Hirsute/Bullseye|armhf / armv7l|3.9|32bit|
-|RaspberryPi3/4|Ubuntu 21.04/Debian|Hirsute/Bullseye|aarch64 / armv8|3.9|64bit|
+|RaspberryPi3/4|Ubuntu 21.04/Debian/RaspberryPiOS|Hirsute/Bullseye|armhf / armv7l|3.9|32bit|
+|RaspberryPi3/4|Ubuntu 21.04/Debian/RaspberryPiOS|Hirsute/Bullseye|aarch64 / armv8|3.9|64bit|
 
 ## Usage
 **Python3.7 - Buster**