Merge pull request #17572 from rishijain/update_docs_10

Fixed grammar about AS::Notifications [ci skip]

activesupport/lib/active_support/notifications.rb

@@ -16,7 +16,7 @@ module ActiveSupport
   #     render text: 'Foo'
   #   end
   #
-  # That executes the block first and notifies all subscribers once done.
+  # That first executes the block and then notifies all subscribers once done.
   #
   # In the example above +render+ is the name of the event, and the rest is called
   # the _payload_. The payload is a mechanism that allows instrumenters to pass

railties/lib/rails/commands/destroy.rb

 require 'rails/generators'
 
+#if no argument/-h/--help is passed to rails destroy command, then
+#it generates the help associated.
 if [nil, "-h", "--help"].include?(ARGV.first)
   Rails::Generators.help 'destroy'
   exit

railties/lib/rails/commands/generate.rb

 require 'rails/generators'
 
+#if no argument/-h/--help is passed to rails generate command, then
+#it generates the help associated.
 if [nil, "-h", "--help"].include?(ARGV.first)
   Rails::Generators.help 'generate'
   exit