diff --git a/files/ssh/etc/filter-syslog/ssh-ignore-fail b/files/ssh/etc/filter-syslog/ssh-ignore-fail
index 41ddd46b767e38ef8d8ee6878abb1d7da2751b4d..82b30e589628a4b412ef71f50468528c6ff988c3 100644
--- a/files/ssh/etc/filter-syslog/ssh-ignore-fail
+++ b/files/ssh/etc/filter-syslog/ssh-ignore-fail
@@ -1,4 +1,4 @@
-# Filter syslog rules for ssh failures.
+# Filter syslog rules for ssh failures.  -*- conf -*-
 #
 # This filter-syslog fragment is installed on systems that get so many
 # failed login attempts that they're simply noise.