diff --git a/.config/compton.conf.example b/.config/compton.conf.example
index f2bcb29..5427600 100644
--- a/.config/compton.conf.example
+++ b/.config/compton.conf.example
@@ -75,3 +75,5 @@ wintypes: {
 		focus = true;
 	};
 };
+
+# vim: set ft=c:
diff --git a/.config/sysctl.conf b/.config/sysctl.conf
index b7ab94d..a84b8bb 100644
--- a/.config/sysctl.conf
+++ b/.config/sysctl.conf
@@ -12,3 +12,5 @@ net.ipv4.tcp_keepalive_intvl = 15
 net.ipv4.tcp_keepalive_probes = 3
 net.ipv4.tcp_syncookies = 1
 net.ipv4.tcp_tw_reuse = 1
+
+# vim: set ft=cfg: