Merge branch 'master' of github.com:rails/docrails

3 files changed, 4 insertions, 3 deletions

diff --git a/guides/source/command_line.md b/guides/source/command_line.md
index 218b4dd39a..6eadbe8435 100644
--- a/guides/source/command_line.md
+++ b/guides/source/command_line.md
@@ -384,7 +384,7 @@ Active Record version     4.0.0
 Action Pack version       4.0.0
 Action Mailer version     4.0.0
 Active Support version    4.0.0
-Middleware                ActionDispatch::Static, Rack::Lock, Rack::Runtime, Rack::MethodOverride, ActionDispatch::RequestId, Rails::Rack::Logger, ActionDispatch::ShowExceptions, ActionDispatch::DebugExceptions, ActionDispatch::RemoteIp, ActionDispatch::Reloader, ActionDispatch::Callbacks, ActiveRecord::Migration::CheckPending, ActiveRecord::ConnectionAdapters::ConnectionManagement, ActiveRecord::QueryCache, ActionDispatch::Cookies, ActionDispatch::Session::EncryptedCookieStore, ActionDispatch::Flash, ActionDispatch::ParamsParser, Rack::Head, Rack::ConditionalGet, Rack::ETag
+Middleware                Rack::Sendfile, ActionDispatch::Static, Rack::Lock, Rack::Runtime, Rack::MethodOverride, ActionDispatch::RequestId, Rails::Rack::Logger, ActionDispatch::ShowExceptions, ActionDispatch::DebugExceptions, ActionDispatch::RemoteIp, ActionDispatch::Reloader, ActionDispatch::Callbacks, ActiveRecord::Migration::CheckPending, ActiveRecord::ConnectionAdapters::ConnectionManagement, ActiveRecord::QueryCache, ActionDispatch::Cookies, ActionDispatch::Session::EncryptedCookieStore, ActionDispatch::Flash, ActionDispatch::ParamsParser, Rack::Head, Rack::ConditionalGet, Rack::ETag
 Application root          /home/foobar/commandsapp
 Environment               development
 Database adapter          sqlite3
diff --git a/guides/source/debugging_rails_applications.md b/guides/source/debugging_rails_applications.md
index 98f91c1ac6..77a2dd4b18 100644
--- a/guides/source/debugging_rails_applications.md
+++ b/guides/source/debugging_rails_applications.md
@@ -301,7 +301,7 @@ This command shows you where you are in the code by printing 10 lines centered a
    7
    8      respond_to do |format|
    9        format.html # index.html.erb
-   10        format.json { render :json => @posts }
+   10        format.json { render json: @posts }
 ```
 
 If you repeat the `list` command, this time using just `l`, the next ten lines of the file will be printed out.
@@ -337,7 +337,7 @@ On the other hand, to see the previous ten lines you should type `list-` (or `l-
    7
    8      respond_to do |format|
    9        format.html # index.html.erb
-   10        format.json { render :json => @posts }
+   10        format.json { render json: @posts }
 ```
 
 This way you can move inside the file, being able to see the code above and over the line you added the `debugger`.
diff --git a/guides/source/rails_on_rack.md b/guides/source/rails_on_rack.md
index d144fba762..73f541bda4 100644
--- a/guides/source/rails_on_rack.md
+++ b/guides/source/rails_on_rack.md
@@ -119,6 +119,7 @@ $ rake middleware
 For a freshly generated Rails application, this might produce something like:
 
 ```ruby
+use Rack::Sendfile
 use ActionDispatch::Static
 use Rack::Lock
 use #<ActiveSupport::Cache::Strategy::LocalCache::Middleware:0x000000029a0838>