1 files changed, 5 insertions, 1 deletions
diff --git a/guides/source/initialization.md b/guides/source/initialization.md
index 817c6b17bc..556c85cc0f 100644
--- a/guides/source/initialization.md
+++ b/guides/source/initialization.md
@@ -108,6 +108,8 @@ A standard Rails application depends on several gems, specifically:
 * activerecord
 * activestorage
 * activesupport
+* actionmailbox
+* actiontext
 * arel
 * builder
 * bundler
@@ -289,7 +291,7 @@ def default_options
     environment:        (ENV["RAILS_ENV"] || ENV["RACK_ENV"] || "development").dup,
     daemonize:          false,
     caching:            nil,
-    pid:                Options::DEFAULT_PID_PATH,
+    pid:                ENV.fetch("PIDFILE", Options::DEFAULT_PIDFILE).dup,
     restart_cmd:        restart_command)
 end
 ```
@@ -538,6 +540,8 @@ require "rails"
   action_mailer/railtie
   active_job/railtie
   action_cable/engine
+  action_mailbox/engine
+  action_text/engine
   rails/test_unit/railtie
   sprockets/railtie
 ).each do |railtie|