diff --git a/examples/chat.rb b/examples/chat.rb
index 8e47b7d1..a3f1ab66 100755
--- a/examples/chat.rb
+++ b/examples/chat.rb
@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby -I ../lib -I lib
 # coding: utf-8
 require 'sinatra'
-set :server, 'thin'
+set :server, 'puma'
 connections = []
 
 get '/' do
diff --git a/examples/stream.ru b/examples/stream.ru
index 074c66b9..8cec60ca 100644
--- a/examples/stream.ru
+++ b/examples/stream.ru
@@ -3,7 +3,6 @@
 # run *one* of these:
 #
 #   rackup -s mongrel stream.ru   # gem install mongrel
-#   thin -R stream.ru start       # gem install thin
 #   unicorn stream.ru             # gem install unicorn
 #   puma stream.ru                # gem install puma