diff --git a/lxd.dnsmasq b/lxd.dnsmasq
index f2cbf8f..e4461bc 100644
--- a/lxd.dnsmasq
+++ b/lxd.dnsmasq
@@ -1,5 +1,8 @@
+# WARNING: DO NOT MODIFY THIS FILE.
+# Changes to this file will be lost when the lxd package is updated or removed.
+# Instead, add changes to /etc/dnsmasq.d/.
+
 # Tell any system-wide dnsmasq instance to make sure to bind to interfaces
 # instead of listening on 0.0.0.0.
-# WARNING: changes to this file will get lost if lxd is removed.
 bind-interfaces
 except-interface=lxdbr0
diff --git a/lxd.spec b/lxd.spec
index 400079f..b38d163 100644
--- a/lxd.spec
+++ b/lxd.spec
@@ -293,8 +293,8 @@ grep -q '^root:' /etc/subgid || \
 %dir %{_localstatedir}/lib/%{name}
 %dir %{_localstatedir}/log/%{name}
 
-%config %{_sysctldir}/60-lxd.conf
-%config %{_sysconfdir}/dnsmasq.d/60-lxd.conf
+%{_sysctldir}/60-lxd.conf
+%{_sysconfdir}/dnsmasq.d/60-lxd.conf
 
 %files bash-completion
 %defattr(-,root,root)
diff --git a/lxd.sysctl b/lxd.sysctl
index ddc2a1a..0bf91f6 100644
--- a/lxd.sysctl
+++ b/lxd.sysctl
@@ -1,3 +1,7 @@
+# WARNING: DO NOT MODIFY THIS FILE.
+# Changes to this file will be lost when the lxd package is updated or removed.
+# Instead, add changes to /etc/sysctl.d/.
+
 # These defaults come from doc/production-setup.md, but have been slightly
 # modified to be less extreme. The recommended value is included as a comment
 # below each changed value.