chore: fix grammar and spelling

activerecord/CHANGELOG.md

@@ -123,7 +123,7 @@
 *   Allow applications to configure the thread pool for async queries
 
     Some applications may want one thread pool per database whereas others want to use
-    a single global thread pool for all queries. By default Rails will set `async_query_executor`
+    a single global thread pool for all queries. By default, Rails will set `async_query_executor`
     to `nil` which will not initialize any executor. If `load_async` is called and no executor
     has been configured, the query will be executed in the foreground.
 
@@ -212,7 +212,7 @@
     present in the simplified query, an ActiveRecord::InvalidStatement
     error was raised.
 
-    An sample query affected by this problem:
+    A sample query affected by this problem:
 
     ```ruby
     Author.select('COUNT(*) as total_posts', 'authors.*')
@@ -252,7 +252,7 @@
 
 *   `ActiveRecord::Calculations.calculate` called with `:average`
     (aliased as `ActiveRecord::Calculations.average`) will now use column based
-    type casting. This means that floating point number columns will now be
+    type casting. This means that floating-point number columns will now be
     aggregated as `Float` and decimal columns will be aggregated as `BigDecimal`.
 
     Integers are handled as a special case returning `BigDecimal` always
@@ -306,7 +306,7 @@
     When an application boots it automatically connects to the primary or first database in the
     database configuration file. In a multiple database application that then call `connects_to`
     needs to know that the default connection is the same as the `ApplicationRecord` connection.
-    However some applications have a differently named `ApplicationRecord`. This prevents Active
+    However, some applications have a differently named `ApplicationRecord`. This prevents Active
     Record from opening duplicate connections to the same database.
 
     *Eileen M. Uchitelle*, *John Crepezzi*

activerecord/test/cases/associations/eager_test.rb

@@ -1062,7 +1062,7 @@ class EagerAssociationTest < ActiveRecord::TestCase
 
   def test_eager_with_floating_point_numbers
     assert_queries(2) do
-      # Before changes, the floating point numbers will be interpreted as table names and will cause this to run in one query
+      # Before changes, the floating-point numbers will be interpreted as table names and will cause this to run in one query
       Comment.all.merge!(where: "123.456 = 123.456", includes: :post).to_a
     end
   end

activesupport/lib/active_support/time_with_zone.rb

@@ -446,7 +446,7 @@ module ActiveSupport
       [time.sec, time.min, time.hour, time.day, time.mon, time.year, time.wday, time.yday, dst?, zone]
     end
 
-    # Returns the object's date and time as a floating point number of seconds
+    # Returns the object's date and time as a floating-point number of seconds
     # since the Epoch (January 1, 1970 00:00 UTC).
     #
     #   Time.zone.now.to_f # => 1417709320.285418

activesupport/test/clean_backtrace_test.rb

@@ -19,7 +19,7 @@ class BacktraceCleanerFilterTest < ActiveSupport::TestCase
     assert_equal "/my/prefix/my/class.rb", @bc.clean(["/my/prefix/my/class.rb"]).first
   end
 
-  test "backtrace should contain unaltered lines if they dont match a filter" do
+  test "backtrace should contain unaltered lines if they don't match a filter" do
     assert_equal "/my/other_prefix/my/class.rb", @bc.clean([ "/my/other_prefix/my/class.rb" ]).first
   end
 end

activesupport/test/core_ext/duration_test.rb

@@ -318,7 +318,7 @@ class DurationTest < ActiveSupport::TestCase
     Time.zone = nil
   end
 
-  def test_before_and_afer
+  def test_before_and_after
     t = Time.local(2000)
     assert_equal t + 1, 1.second.after(t)
     assert_equal t - 1, 1.second.before(t)

activesupport/test/core_ext/time_with_zone_test.rb

@@ -120,9 +120,9 @@ class TimeWithZoneTest < ActiveSupport::TestCase
     nsec          = ActiveSupport::TimeWithZone.new(nsec, @time_zone)
     assert_equal "Fri, 12 Dec 1986 01:23:00.000000001 EST -05:00", nsec.inspect
 
-    handred_nsec  = Time.utc(1986, 12, 12, 6, 23, 00, Rational(100, 1000))
-    handred_nsec  = ActiveSupport::TimeWithZone.new(handred_nsec, @time_zone)
-    assert_equal "Fri, 12 Dec 1986 01:23:00.000000100 EST -05:00", handred_nsec.inspect
+    hundred_nsec  = Time.utc(1986, 12, 12, 6, 23, 00, Rational(100, 1000))
+    hundred_nsec  = ActiveSupport::TimeWithZone.new(hundred_nsec, @time_zone)
+    assert_equal "Fri, 12 Dec 1986 01:23:00.000000100 EST -05:00", hundred_nsec.inspect
 
     one_third_sec = Time.utc(1986, 12, 12, 6, 23, 00, Rational(1000000, 3))
     one_third_sec = ActiveSupport::TimeWithZone.new(one_third_sec, @time_zone)

guides/bug_report_templates/benchmark.rb

@@ -32,7 +32,7 @@ SCENARIOS = {
   "Empty"             => "",
   "Single Space"      => " ",
   "Two Spaces"        => "  ",
-  "Mixed Whitspaces" => " \t\r\n",
+  "Mixed Whitespaces" => " \t\r\n",
   "Very Long String"  => " " * 100
 }
 

guides/source/active_record_querying.md

@@ -2216,7 +2216,7 @@ If you want to see the average of a certain number in one of your tables you can
 Order.average("subtotal")
 ```
 
-This will return a number (possibly a floating point number such as 3.14159265) representing the average value in the field.
+This will return a number (possibly a floating-point number such as 3.14159265) representing the average value in the field.
 
 For options, please see the parent section, [Calculations](#calculations).
 

guides/source/active_support_core_extensions.md

@@ -2150,7 +2150,7 @@ Extensions to `BigDecimal`
 
 ### `to_s`
 
-The method `to_s` provides a default specifier of "F". This means that a simple call to `to_s` will result in floating point representation instead of engineering notation:
+The method `to_s` provides a default specifier of "F". This means that a simple call to `to_s` will result in floating-point representation instead of engineering notation:
 
 ```ruby
 BigDecimal(5.00, 6).to_s       # => "5.0"

railties/test/application/rake/dbs_test.rb

@@ -173,7 +173,7 @@ module ApplicationTests
         db_create_and_drop("db/development.sqlite3", environment_loaded: false)
       end
 
-      test "db:create and db:drop dont raise errors when loading YAML with single-line ERB" do
+      test "db:create and db:drop don't raise errors when loading YAML with single-line ERB" do
         app_file "config/database.yml", <<-YAML
           development:
             <%= Rails.application.config.database ? 'database: db/development.sqlite3' : 'database: db/development.sqlite3' %>

railties/test/application/rake/multi_dbs_test.rb

@@ -772,7 +772,7 @@ module ApplicationTests
         db_create_and_drop_namespace("primary", "db/development.sqlite3")
       end
 
-      test "db:create and db:drop dont raise errors when loading YAML with single-line ERB" do
+      test "db:create and db:drop don't raise errors when loading YAML with single-line ERB" do
         app_file "config/database.yml", <<-YAML
           development:
             primary:

railties/test/railties/engine_test.rb

@@ -147,7 +147,7 @@ module RailtiesTest
       end
     end
 
-    test "dont reverse default railties order" do
+    test "don't reverse default railties order" do
       @api = engine "api" do |plugin|
         plugin.write "lib/api.rb", <<-RUBY
           module Api