diff --git a/README.md b/README.md
index dd8a737..1ea7d06 100644
--- a/README.md
+++ b/README.md
@@ -329,6 +329,18 @@ With this parameter set to true the script expects the existing kernel sources d
 ##### `RPI_FIRMWARE_DIR`=""
 The directory (`firmware`) containing a local copy of the firmware from the [RaspberryPi firmware project](https://github.com/raspberrypi/firmware). Default is to download the latest firmware directly from the project.
 
+##### `KERNEL_NF`=false
+Enable Netfilter modules as kernel modules (systemd compilations about it (File /lib/systemd/system/systemd-journald.server:36 configures an IP firewall (IPAddressDeny=all), but the local system does not support BPF/cgroup based firewalls)
+
+##### `KERNEL_VIRT`=false
+Enable Kernel KVM support (/dev/kvm)
+
+##### `KERNEL_ZSWAP`=false
+Enable Kernel Zswap support. Best use on high RAM load and mediocre CPU load usecases
+
+
+
+
 ---
 
 #### Reduce disk usage:
diff --git a/bootstrap.d/13-kernel.sh b/bootstrap.d/13-kernel.sh
index 9f08c90..ac71407 100644
--- a/bootstrap.d/13-kernel.sh
+++ b/bootstrap.d/13-kernel.sh
@@ -103,10 +103,6 @@ if [ "$BUILD_KERNEL" = true ] ; then
 	fi
 	
 	if [ "$KERNEL_VIRT" = true ] && ( [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ) ; then
-      # Submit PRs with edits targeting the _bottom_ of this file
-      # Please set modules where possible, rather than building in, and
-      # provide a short rationale comment for the changes made
-
       # enable basic KVM support; see e.g.
       # https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453