diff --git a/examples/raspios/README.md b/examples/raspios/README.md
index b2ccd20..adc571b 100644
--- a/examples/raspios/README.md
+++ b/examples/raspios/README.md
@@ -1,7 +1,8 @@
 # RaspiOS
 
-Build a new RaspiOS device image.  
-The Packer config will run some scripts through the Shell provisioner in order to setup and configure the device image.
+Build a new ARM64 device image based on RaspiOS.  
+The Packer config will run some scripts through the Shell provisioner in order to setup and configure the device image.  
+In addition, `Firstboot` will be configured to run an additional setup scripts during first boot of the device.  
 
 ## Firstboot