diff --git a/etc/sudoers.d/hibernate b/etc/sudoers.d/hibernate
index e04c7ec7..54bb0e8e 100644
--- a/etc/sudoers.d/hibernate
+++ b/etc/sudoers.d/hibernate
@@ -3,3 +3,5 @@
 %plugdev   ALL = NOPASSWD: /usr/sbin/hibernate
 # suspend
 %plugdev   ALL = NOPASSWD: /usr/sbin/s2ram
+
+# vim: filetype=sudoers
diff --git a/etc/sudoers.d/insults b/etc/sudoers.d/insults
index f1f5ceba..b597d9ae 100644
--- a/etc/sudoers.d/insults
+++ b/etc/sudoers.d/insults
@@ -12,3 +12,5 @@ Defaults insults
 
 # Disable insults for user aminda
 #Defaults:aminda !insults
+
+# vim: filetype=sudoers
diff --git a/etc/sudoers.d/lecture b/etc/sudoers.d/lecture
index ee46cccd..b62d0b8f 100644
--- a/etc/sudoers.d/lecture
+++ b/etc/sudoers.d/lecture
@@ -3,3 +3,5 @@
 # For more information, see https://superuser.com/a/500125
 # & https://serverfault.com/a/333640
 Defaults lecture = always
+
+# vim: filetype=sudoers
diff --git a/etc/sudoers.d/restart-matterbridge b/etc/sudoers.d/restart-matterbridge
index 63e7685a..3b581ce3 100644
--- a/etc/sudoers.d/restart-matterbridge
+++ b/etc/sudoers.d/restart-matterbridge
@@ -1,3 +1,5 @@
 # Via https://askubuntu.com/a/692712, I am tired of checking password just
 # for this. Target system: Debian and Ubuntu
 %sudo ALL=NOPASSWD: /bin/systemctl restart matterbridge.service
+
+# vim: filetype=sudoers
diff --git a/etc/sudoers.d/teamviewerd b/etc/sudoers.d/teamviewerd
index 1b15a27c..dc5f193c 100644
--- a/etc/sudoers.d/teamviewerd
+++ b/etc/sudoers.d/teamviewerd
@@ -6,3 +6,5 @@
 %sudo ALL=NOPASSWD: /bin/systemctl stop teamviewerd.service
 %sudo ALL=NOPASSWD: /bin/systemctl start teamviewerd.service
 %sudo ALL=NOPASSWD: /bin/systemctl restart teamviewerd.service
+
+# vim: filetype=sudoers