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-rw-r--r--lib/dtas/edit_client.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/dtas/edit_client.rb b/lib/dtas/edit_client.rb
index 21c7662..da34023 100644
--- a/lib/dtas/edit_client.rb
+++ b/lib/dtas/edit_client.rb
@@ -1,5 +1,6 @@
 # Copyright (C) 2013-2015 all contributors <dtas-all@nongnu.org>
-# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+# License: GPL-3.0+ (https://www.gnu.org/licenses/gpl-3.0.txt)
+# frozen_string_literal: true
 require 'tempfile'
 require 'yaml'
 require_relative 'unix_client'
@@ -13,7 +14,7 @@ module DTAS::EditClient # :nodoc:
       v.empty? and next
       return v
     end
-    "vi"
+    'vi'.freeze
   end
 
   def client_socket