README.md in capistrano3-puma-4.0.0 vs README.md in capistrano3-puma-5.0.0.beta1

@@ -24,10 +24,18 @@
     install_plugin Capistrano::Puma::Workers  # if you want to control the workers (in cluster mode)
     install_plugin Capistrano::Puma::Jungle # if you need the jungle tasks
     install_plugin Capistrano::Puma::Monit  # if you need the monit tasks
     install_plugin Capistrano::Puma::Nginx  # if you want to upload a nginx site template
 ```
+You will need to select your service manager
+```ruby
+install_plugin Capistrano::Puma::Daemon  # If you using puma daemonized (not supported in Puma 5+)
+```
+or
+```ruby
+install_plugin Capistrano::Puma::Systemd  # if you use SystemD 
+```
 
 To prevent loading the hooks of the plugin, add false to the load_hooks param.
 ```ruby
     # Capfile
 
@@ -93,10 +101,23 @@
 ```ruby
     set :puma_jungle_conf, '/etc/puma.conf'
     set :puma_run_path, '/usr/local/bin/run-puma'
 ```
 
+### Systemd
+
+Install Systemd plugin in `Capfile`:
+```ruby
+install_plugin Capistrano::Puma
+install_plugin Capistrano::Puma::Systemd
+```
+
+To generate unit file use:
+```
+cap production puma:systemd:config puma:systemd:enable
+```
+
 ### Multi bind
 
 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)
@@ -146,9 +167,10 @@
     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_use_ssl, false
+    set :nginx_use_http2, true
     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