diff --git a/etc/sudoers.d/README.md b/etc/sudoers.d/README.md
new file mode 100644
index 00000000..588b99e4
--- /dev/null
+++ b/etc/sudoers.d/README.md
@@ -0,0 +1,2 @@
+The names may not contain a dot, the RHEL sudo is wheel (not to be confused
+with Debian's passwordless sudo) and the proper permissions are 0400.
diff --git a/etc/sudoers.d/protonvpn.conf b/etc/sudoers.d/protonvpn
similarity index 100%
rename from etc/sudoers.d/protonvpn.conf
rename to etc/sudoers.d/protonvpn