1 files changed, 3 insertions, 0 deletions

diff --git a/Rules b/Rules
index 79508bc9..c52823f8 100644
--- a/Rules
+++ b/Rules
@@ -1,3 +1,6 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
 TITLE_FILTER_REGEXP = /(#\s|#{BadgesFilter::BADGES_MARKDOWN_PATTERN})/.freeze
 
 preprocess do