A few doc changes

activesupport/lib/active_support/tagged_logging.rb

@@ -32,9 +32,9 @@ module ActiveSupport
 
     %w( fatal error warn info debug unknown ).each do |severity|
       eval <<-EOM, nil, __FILE__, __LINE__ + 1
-        def #{severity}(progname = nil, &block)
-          add(Logger::#{severity.upcase}, progname, &block)
-        end
+        def #{severity}(progname = nil, &block)              # def warn(progname = nil, &block)
+          add(Logger::#{severity.upcase}, progname, &block)  #   add(Logger::WARN, progname, &block)
+        end                                                  # end
       EOM
     end
 

railties/guides/rails_guides/generator.rb

@@ -216,7 +216,7 @@ module RailsGuides
       anchors = Set.new
       html.scan(/<h\d\s+id="([^"]+)/).flatten.each do |anchor|
         if anchors.member?(anchor)
-          puts "*** DUPLICATE ID: #{anchor}, please put and explicit ID, e.g. h4(#explicit-id), or consider rewording"
+          puts "*** DUPLICATE ID: #{anchor}, please use an explicit ID, e.g. h4(#explicit-id), or consider rewording"
         else
           anchors << anchor
         end

railties/lib/rails/application.rb

@@ -154,15 +154,8 @@ module Rails
       self
     end
 
-    # Rails.application.env_config stores some of the Rails initial environment parameters.
-    # Currently stores:
-    #
-    #   * action_dispatch.parameter_filter" => config.filter_parameters,
-    #   * action_dispatch.secret_token"     => config.secret_token,
-    #   * action_dispatch.show_exceptions"  => config.action_dispatch.show_exceptions
-    #
-    # These parameters will be used by middlewares and engines to configure themselves.
-    #
+    # Stores some of the Rails initial environment parameters which
+    # will be used by middlewares and engines to configure themselves.
     def env_config
       @env_config ||= super.merge({
         "action_dispatch.parameter_filter" => config.filter_parameters,