diff --git a/root/sysctl/i915.conf b/root/sysctl/i915.conf
index 3685532..0224083 100644
--- a/root/sysctl/i915.conf
+++ b/root/sysctl/i915.conf
@@ -1 +1,2 @@
+# {{@@ header() @@}}
 dev.i915.perf_stream_paranoid = 0
diff --git a/root/sysctl/iotop.conf b/root/sysctl/iotop.conf
index 0796366..6d5ebc5 100644
--- a/root/sysctl/iotop.conf
+++ b/root/sysctl/iotop.conf
@@ -1 +1,2 @@
+# {{@@ header() @@}}
 kernel.task_delayacct=1
diff --git a/root/sysctl/printk.conf b/root/sysctl/printk.conf
index 47f63bc..a07d3fc 100644
--- a/root/sysctl/printk.conf
+++ b/root/sysctl/printk.conf
@@ -1,3 +1,4 @@
+# {{@@ header() @@}}
 {%@@ if plymouth @@%}
 kernel.printk = 3 3 3 3
 {%@@ endif @@%}