Changed 'args' to 'arguments' when used in places other than code with fixing few more typos

actionpack/test/abstract/callbacks_test.rb

@@ -259,7 +259,7 @@ module AbstractController
     end
 
     class TestCallbacksWithArgs < ActiveSupport::TestCase
-      test "callbacks still work when invoking process with multiple args" do
+      test "callbacks still work when invoking process with multiple arguments" do
         controller = CallbacksWithArgs.new
         controller.process(:index, " Howdy!")
         assert_equal "Hello world Howdy!", controller.response_body

actionpack/test/abstract/collector_test.rb

@@ -42,7 +42,7 @@ module AbstractController
         end
       end
 
-      test "generated methods call custom with args received" do
+      test "generated methods call custom with arguments received" do
         collector = MyCollector.new
         collector.html
         collector.text(:foo)

activemodel/CHANGELOG.md

@@ -70,7 +70,7 @@
 
     *Yves Senn*
 
-*   Use BCrypt's `MIN_COST` in the test environment for speedier tests when using `has_secure_pasword`.
+*   Use BCrypt's `MIN_COST` in the test environment for speedier tests when using `has_secure_password`.
 
     *Brian Cardarella + Jeremy Kemper + Trevor Turk*
 
@@ -111,7 +111,7 @@
 
 *   Changed `ActiveModel::Serializers::Xml::Serializer#add_associations` to by default
     propagate `:skip_types, :dasherize, :camelize` keys to included associations.
-    It can be overriden on each association by explicitly specifying the option on one
+    It can be overridden on each association by explicitly specifying the option on one
     or more associations
 
     *Anthony Alberto*

guides/source/active_support_instrumentation.md

@@ -428,7 +428,7 @@ end
 ```
 
 Defining all those block arguments each time can be tedious. You can easily create an `ActiveSupport::Notifications::Event`
-from block args like this:
+from block arguments like this:
 
 ```ruby
 ActiveSupport::Notifications.subscribe "process_action.action_controller" do |*args|

guides/source/command_line.md

@@ -82,7 +82,7 @@ The server can be run on a different port using the `-p` option. The default dev
 $ rails server -e production -p 4000
 ```
 
-The `-b` option binds Rails to the specified ip, by default it is 0.0.0.0. You can run a server as a daemon by passing a `-d` option.
+The `-b` option binds Rails to the specified IP, by default it is 0.0.0.0. You can run a server as a daemon by passing a `-d` option.
 
 ### `rails generate`