diff --git a/README.md b/README.md
index ee2ba08..174cf6c 100644
--- a/README.md
+++ b/README.md
@@ -423,7 +423,7 @@ work from a Raspberry Pi with a 64-bit capable processor (i.e. Raspberry Pi Zero
 
 ## `binfmt_misc`
 
-Linux is able execute binaries from other architectures, meaning that it should be
+Linux is able to execute binaries from other architectures, meaning that it should be
 possible to make use of `pi-gen` on an x86_64 system, even though it will be running
 ARM binaries. This requires support from the [`binfmt_misc`](https://en.wikipedia.org/wiki/Binfmt_misc)
 kernel module.
diff --git a/stage2/01-sys-tweaks/01-run.sh b/stage2/01-sys-tweaks/01-run.sh
index 961daed..aca8074 100755
--- a/stage2/01-sys-tweaks/01-run.sh
+++ b/stage2/01-sys-tweaks/01-run.sh
@@ -71,8 +71,8 @@ on_chroot << EOF
 DEBIAN_FRONTEND=noninteractive dpkg-reconfigure keyboard-configuration
 EOF
 
-sed -i 's/^#?Storage=.*/Storage=volatile/' "${ROOTFS_DIR}/etc/systemd/journald.conf"
+sed -i 's/^#\?Storage=.*/Storage=volatile/' "${ROOTFS_DIR}/etc/systemd/journald.conf"
 
 if [ -e "${ROOTFS_DIR}/etc/avahi/avahi-daemon.conf" ]; then
-  sed -i 's/^#?publish-workstation=.*/publish-workstation=yes/' "${ROOTFS_DIR}/etc/avahi/avahi-daemon.conf"
+  sed -i 's/^#\?publish-workstation=.*/publish-workstation=yes/' "${ROOTFS_DIR}/etc/avahi/avahi-daemon.conf"
 fi