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-rw-r--r--lib/debug.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/debug.rb b/lib/debug.rb
index 394a53e172e..34d7d27406c 100644
--- a/lib/debug.rb
+++ b/lib/debug.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
# Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
# Copyright (C) 2000 Information-technology Promotion Agency, Japan
# Copyright (C) 2000-2003 NAKAMURA, Hiroshi <nahi@ruby-lang.org>