README.md in capistrano3-puma-3.1.1 vs README.md in capistrano3-puma-4.0.0

@@ -34,19 +34,28 @@
     require 'capistrano/puma'
     install_plugin Capistrano::Puma, load_hooks: false  # Default puma tasks without hooks
     install_plugin Capistrano::Puma::Monit, load_hooks: false  # Monit tasks without hooks
 ```
 
+To make it work with rvm, rbenv and chruby, install the plugin after corresponding library inclusion.
+```ruby
+    # Capfile
+    
+    require 'capistrano/rbenv'   
+    require 'capistrano/puma'
+    install_plugin Capistrano::Puma
+```
+
 ### Config
 
 To list available tasks use `cap -T`
 
 To upload puma config use:
 ```ruby
 cap production puma:config
 ```
-By default the file located in  `shared/puma.config`
+By default the file located in  `shared/puma.rb`
 
 
 Ensure that `tmp/pids` and ` tmp/sockets log` are shared (via `linked_dirs`):
 
 `This step is mandatory before deploying, otherwise puma server won't start`
@@ -90,11 +99,11 @@
 
 Multi-bind can be set with an array in the puma_bind variable
 ```ruby
   set :puma_bind, %w(tcp://0.0.0.0:9292 unix:///tmp/puma.sock)
 ```
-    * Listening on tcp://0.0.0.0:9220
+    * Listening on tcp://0.0.0.0:9292
     * Listening on unix:///tmp/puma.sock
 
 ### Active Record
 
 For ActiveRecord the following line to your deploy.rb
@@ -125,20 +134,22 @@
     set :puma_init_active_record, false
     set :puma_preload_app, false
     set :puma_daemonize, false
     set :puma_plugins, []  #accept array of plugins
     set :puma_tag, fetch(:application)
+    set :puma_restart_command, 'bundle exec puma'
 
     set :nginx_config_name, "#{fetch(:application)}_#{fetch(:stage)}"
     set :nginx_flags, 'fail_timeout=0'
     set :nginx_http_flags, fetch(:nginx_flags)
     set :nginx_server_name, "localhost #{fetch(:application)}.local"
     set :nginx_sites_available_path, '/etc/nginx/sites-available'
     set :nginx_sites_enabled_path, '/etc/nginx/sites-enabled'
     set :nginx_socket_flags, fetch(:nginx_flags)
-    set :nginx_ssl_certificate, "/etc/ssl/certs/{fetch(:nginx_config_name)}.crt"
-    set :nginx_ssl_certificate_key, "/etc/ssl/private/{fetch(:nginx_config_name)}.key"
+    set :nginx_ssl_certificate, "/etc/ssl/certs/#{fetch(:nginx_config_name)}.crt"
+    set :nginx_ssl_certificate_key, "/etc/ssl/private/#{fetch(:nginx_config_name)}.key"
     set :nginx_use_ssl, false
+    set :nginx_downstream_uses_ssl, false
 ```
 
 __Notes:__ If you are setting values for variables that might be used by other plugins, use `append` instead of `set`. For example:
 ```ruby
 append :rbenv_map_bins, 'puma', 'pumactl'