diff --git a/doc/maintainers.rdoc b/doc/maintainers.rdoc
index f4eb841b85..7e0c35194f 100644
--- a/doc/maintainers.rdoc
+++ b/doc/maintainers.rdoc
@@ -213,6 +213,10 @@ Yukihiro Matsumoto (matz)
   Eric Hodel (drbrain), Hiroshi SHIBATA (hsbt)
   https://github.com/ruby/rdoc
   https://rubygems.org/gems/rdoc
+[lib/readline.rb]
+  aycabta
+  https://github.com/ruby/readline
+  https://rubygems.org/gems/readline
 [lib/reline.rb, lib/reline/*]
   aycabta
   https://github.com/ruby/reline
diff --git a/doc/standard_library.rdoc b/doc/standard_library.rdoc
index 8965aa92a8..7c9938c5b0 100644
--- a/doc/standard_library.rdoc
+++ b/doc/standard_library.rdoc
@@ -54,6 +54,7 @@ OpenURI:: An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP
 PP:: Provides a PrettyPrinter for Ruby objects
 PrettyPrinter:: Implements a pretty printing algorithm for readable structure
 PStore:: Implements a file based persistence mechanism based on a Hash
+Readline:: Wrapper for Readline extencion and Reline
 Reline:: GNU Readline and Editline by pure Ruby implementation.
 Resolv::  Thread-aware DNS resolver library in Ruby
 resolv-replace.rb:: Replace Socket DNS with Resolv