diff --git a/README.md b/README.md
index a86f951..05230cf 100644
--- a/README.md
+++ b/README.md
@@ -194,7 +194,7 @@ The following environment variables are supported:
 
  * `WPA_ESSID`, `WPA_PASSWORD` and `WPA_COUNTRY` (Default: unset)
 
-   If these are set, they are use to configure `wpa_supplicant.conf`, so that the Raspberry Pi can automatically connect to a wireless network on first boot. If `WPA_ESSID` is set and `WPA_PASSWORD` is unset an unprotected wireless network will be configured. If set, `WPA_PASSWORD` must be between 8 and 63 characters.
+   If these are set, they are use to configure `wpa_supplicant.conf`, so that the Raspberry Pi can automatically connect to a wireless network on first boot. If `WPA_ESSID` is set and `WPA_PASSWORD` is unset an unprotected wireless network will be configured. If set, `WPA_PASSWORD` must be between 8 and 63 characters. `WPA_COUNTRY` is a 2-letter ISO/IEC 3166 country Code, i.e. `GB`
 
  * `ENABLE_SSH` (Default: `0`)
 
diff --git a/build.sh b/build.sh
index 135da35..ea96633 100755
--- a/build.sh
+++ b/build.sh
@@ -21,7 +21,7 @@ EOF
 			PACKAGES="$(sed -f "${SCRIPT_DIR}/remove-comments.sed" < "${i}-packages-nr")"
 			if [ -n "$PACKAGES" ]; then
 				on_chroot << EOF
-apt-get -o APT::Acquire::Retries=3 install --no-install-recommends -y $PACKAGES
+apt-get -o Acquire::Retries=3 install --no-install-recommends -y $PACKAGES
 EOF
 				if [ "${USE_QCOW2}" = "1" ]; then
 					on_chroot << EOF
@@ -36,7 +36,7 @@ EOF
 			PACKAGES="$(sed -f "${SCRIPT_DIR}/remove-comments.sed" < "${i}-packages")"
 			if [ -n "$PACKAGES" ]; then
 				on_chroot << EOF
-apt-get -o APT::Acquire::Retries=3 install -y $PACKAGES
+apt-get -o Acquire::Retries=3 install -y $PACKAGES
 EOF
 				if [ "${USE_QCOW2}" = "1" ]; then
 					on_chroot << EOF
diff --git a/export-noobs/00-release/files/release_notes.txt b/export-noobs/00-release/files/release_notes.txt
index 4b6edff..3e6650d 100644
--- a/export-noobs/00-release/files/release_notes.txt
+++ b/export-noobs/00-release/files/release_notes.txt
@@ -1,5 +1,5 @@
 UNRELEASED:
-  *
+  * Install kms++-utils
 2022-09-22:
   * NodeRED removed from Recommended Software and full image - should only be installed via apt
   * Improved speed of startup of lxpanel network controller plugins
diff --git a/stage2/01-sys-tweaks/00-packages b/stage2/01-sys-tweaks/00-packages
index a2c3207..6138c6d 100644
--- a/stage2/01-sys-tweaks/00-packages
+++ b/stage2/01-sys-tweaks/00-packages
@@ -33,3 +33,4 @@ raspinfo
 udisks2
 unzip zip p7zip-full
 file
+kms++-utils