Disabled rule.

.rubocop.yml

@@ -13,6 +13,9 @@ Rails:
 
 # Zammad StyleGuide
 
+Style/FrozenStringLiteralComment:
+  Enabled: false
+
 Metrics/LineLength:
   Description: 'Limit lines to 80 characters.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#80-character-limits'