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-rw-r--r--examples/watcher_demo.ru1
1 files changed, 1 insertions, 0 deletions
diff --git a/examples/watcher_demo.ru b/examples/watcher_demo.ru
index 91f4cca..7a6e675 100644
--- a/examples/watcher_demo.ru
+++ b/examples/watcher_demo.ru
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 # This is a snippet of the config that powers
 # https://yhbt.net/raindrops-demo/
 # This may be used with the packaged zbatery.conf.rb