.rubocop.yml in reek-3.11 vs .rubocop.yml in reek-4.0.0.pre1

@@ -1,10 +1,11 @@
 AllCops:
   Exclude:
     - 'spec/samples/**/*'
     - 'tmp/**/*'
     - 'vendor/**/*'
+  TargetRubyVersion: 2.1
 
 # FIXME: Make the class shorter
 Metrics/ClassLength:
   Exclude:
     - lib/reek/context_builder.rb
@@ -37,9 +38,16 @@
   EnforcedStyle: trailing
 
 # Require empty lines between defs, except for one-line defs
 Style/EmptyLineBetweenDefs:
   AllowAdjacentOneLineDefs: true
+
+# Require comment for files in lib and bin
+Style/FrozenStringLiteralComment:
+  Include:
+    - 'bin/*'
+    - 'lib/**/*'
+  EnforcedStyle: always
 
 # Allow multiline block chains
 Style/MultilineBlockChain:
   Enabled: false