7 files changed, 12 insertions, 13 deletions
diff --git a/guides/source/2_2_release_notes.md b/guides/source/2_2_release_notes.md
index c6bac34d18..ac5833e069 100644
--- a/guides/source/2_2_release_notes.md
+++ b/guides/source/2_2_release_notes.md
@@ -45,7 +45,6 @@ The internal documentation of Rails, in the form of code comments, has been impr
 * [A Guide to Testing Rails Applications](testing.html)
 * [Securing Rails Applications](security.html)
 * [Debugging Rails Applications](debugging_rails_applications.html)
-* [Performance Testing Rails Applications](performance_testing.html)
 * [The Basics of Creating Rails Plugins](plugins.html)
 
 All told, the Guides provide tens of thousands of words of guidance for beginning and intermediate Rails developers.
diff --git a/guides/source/5_0_release_notes.md b/guides/source/5_0_release_notes.md
index 50886a57a7..cc332cbf97 100644
--- a/guides/source/5_0_release_notes.md
+++ b/guides/source/5_0_release_notes.md
@@ -583,7 +583,7 @@ Please refer to the [Changelog][active-record] for detailed changes.
 
 *   Removed support for the legacy `mysql` database adapter from core. Most users should
     be able to use `mysql2`. It will be converted to a separate gem when when we find someone
-    to maintain it. ([Pull Request 1](https://github.com/rails/rails/pull/22642)],
+    to maintain it. ([Pull Request 1](https://github.com/rails/rails/pull/22642),
     [Pull Request 2](https://github.com/rails/rails/pull/22715))
 
 *   Removed support for the `protected_attributes` gem.
diff --git a/guides/source/action_cable_overview.md b/guides/source/action_cable_overview.md
index 4b9a22101a..a66a8ff484 100644
--- a/guides/source/action_cable_overview.md
+++ b/guides/source/action_cable_overview.md
@@ -422,7 +422,7 @@ App.cable.subscriptions.create "AppearanceChannel",
   buttonSelector = "[data-behavior~=appear_away]"
 
   install: ->
-    $(document).on "page:change.appearance", =>
+    $(document).on "turbolinks:load.appearance", =>
       @appear()
 
     $(document).on "click.appearance", buttonSelector, =>
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md
index bbe1b0decc..38b1ffc4c8 100644
--- a/guides/source/active_record_querying.md
+++ b/guides/source/active_record_querying.md
@@ -81,7 +81,6 @@ The methods are:
 * `reorder`
 * `reverse_order`
 * `select`
-* `distinct`
 * `where`
 
 Finder methods that return a collection, such as `where` and `group`, return an instance of `ActiveRecord::Relation`.  Methods that find a single entity, such as `find` and `first`, return a single instance of the model.
diff --git a/guides/source/active_support_instrumentation.md b/guides/source/active_support_instrumentation.md
index 03af3cf819..3fc9d9bfa9 100644
--- a/guides/source/active_support_instrumentation.md
+++ b/guides/source/active_support_instrumentation.md
@@ -231,12 +231,13 @@ Active Record
 
 ### sql.active_record
 
-| Key              | Value                 |
-| ---------------- | --------------------- |
-| `:sql`           | SQL statement         |
-| `:name`          | Name of the operation |
-| `:connection_id` | `self.object_id`      |
-| `:binds`         | Bind parameters       |
+| Key              | Value                                    |
+| ---------------- | ---------------------------------------- |
+| `:sql`           | SQL statement                            |
+| `:name`          | Name of the operation                    |
+| `:connection_id` | `self.object_id`                         |
+| `:binds`         | Bind parameters                          |
+| `:cached`        | `true` is added when cached queries used |
 
 INFO. The adapters will add their own data as well.
 
diff --git a/guides/source/configuring.md b/guides/source/configuring.md
index fbf3c27957..3df8a0ed26 100644
--- a/guides/source/configuring.md
+++ b/guides/source/configuring.md
@@ -1296,7 +1296,7 @@ evented file system monitor to detect changes when `config.cache_classes` is
 
 ```ruby
 group :development do
-  gem 'listen', '~> 3.0.4'
+  gem 'listen', '>= 3.0.5', '< 3.2'
 end
 ```
 
diff --git a/guides/source/testing.md b/guides/source/testing.md
index 98847fde18..0ac5121b12 100644
--- a/guides/source/testing.md
+++ b/guides/source/testing.md
@@ -1317,8 +1317,8 @@ end
 This test is pretty simple and only asserts that the job get the work done
 as expected.
 
-By default, `ActiveJob::TestCase` will set the queue adapter to `:async` so that
-your jobs are performed in an async fashion. It will also ensure that all previously performed
+By default, `ActiveJob::TestCase` will set the queue adapter to `:test` so that
+your jobs are performed inline. It will also ensure that all previously performed
 and enqueued jobs are cleared before any test run so you can safely assume that
 no jobs have already been executed in the scope of each test.