1 files changed, 11 insertions, 1 deletions
diff --git a/lib/optparse/version.rb b/lib/optparse/version.rb
index 76ed564287..b5ed695146 100644
--- a/lib/optparse/version.rb
+++ b/lib/optparse/version.rb
@@ -1,6 +1,12 @@
+# frozen_string_literal: false
 # OptionParser internal utility
 
 class << OptionParser
+  #
+  # Shows version string in packages if Version is defined.
+  #
+  # +pkgs+:: package list
+  #
   def show_version(*pkgs)
     progname = ARGV.options.program_name
     result = false
@@ -46,12 +52,14 @@ class << OptionParser
     result
   end
 
+  # :stopdoc:
+
   def each_const(path, base = ::Object)
     path.split(/::|\//).inject(base) do |klass, name|
       raise NameError, path unless Module === klass
       klass.constants.grep(/#{name}/i) do |c|
         klass.const_defined?(c) or next
-        c = klass.const_get(c)
+        klass.const_get(c)
       end
     end
   end
@@ -67,4 +75,6 @@ class << OptionParser
       end
     end
   end
+
+  # :startdoc:
 end