diff --git a/src/etc/rc.initial.firmware b/src/etc/rc.initial.firmware
index 725710b83..247f8bfc2 100755
--- a/src/etc/rc.initial.firmware
+++ b/src/etc/rc.initial.firmware
@@ -48,8 +48,8 @@ if [ -f ${UPGRADE} ]; then
 	echo "A major firmware upgrade is available for this installation: ${NAME}"
 	echo
 	echo "Make sure you have read the release notes and migration guide before"
-	echo "attempting this upgrade.  Around 300MB will need to be downloaded and"
-	echo "require 600MB of free space.  Continue with this major upgrade by"
+	echo "attempting this upgrade.  Around 400MB will need to be downloaded and"
+	echo "require 800MB of free space.  Continue with this major upgrade by"
 	echo "typing the major upgrade version number displayed above."
 	echo
 	echo "Minor updates may be available, answer 'y' to run them instead."