diff --git a/config/reek.yml b/config/reek.yml
index eb632e2d..2bcd8d8d 100644
--- a/config/reek.yml
+++ b/config/reek.yml
@@ -54,6 +54,7 @@ NestedIterators:
   - Mutant::Reporter::CLI::Printer::Config::Runner#generic_stats
   - Mutant::RequireHighjack#infect
   - Mutant::RequireHighjack#desinfect
+  - Parser::Lexer#self.new
   max_allowed_nesting: 1
   ignore_iterators: []
 NilCheck:
@@ -126,7 +127,7 @@ UncommunicativeVariableName:
   - !ruby/regexp /^.$/
   - !ruby/regexp /[0-9]$/
   - !ruby/regexp /[A-Z]/
-  accept: []
+  accept: ['force_utf32']
 UnusedParameters:
   enabled: true
   exclude: []
diff --git a/lib/mutant/mutator/node/match_current_line.rb b/lib/mutant/mutator/node/match_current_line.rb
index a65e995d..57bc73bf 100644
--- a/lib/mutant/mutator/node/match_current_line.rb
+++ b/lib/mutant/mutator/node/match_current_line.rb
@@ -1,6 +1,7 @@
 module Mutant
   class Mutator
     class Node
+      # Emitter for perl style match current line node
       class MatchCurrentLine < self
 
         handle :match_current_line