diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index b9839a8500..21f1992d69 100755
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -586,8 +586,8 @@ module ActiveRecord
       # * <tt>collection.empty?</tt> - returns true if there are no associated objects.
       # * <tt>collection.size</tt> - returns the number of associated objects.
       # * <tt>collection.find</tt> - finds an associated object according to the same rules as Base.find.
-      # * <tt>collection.build(attributes = {})</tt> - returns a new object of the collection type that has been instantiated
-      #   with +attributes+ and linked to this object through a foreign key but has not yet been saved. *Note:* This only works if an 
+      # * <tt>collection.build(attributes = {}, ...)</tt> - returns one or more new objects of the collection type that have been instantiated
+      #   with +attributes+ and linked to this object through a foreign key but have not yet been saved. *Note:* This only works if an 
       #   associated object already exists, not if it's nil!
       # * <tt>collection.create(attributes = {})</tt> - returns a new object of the collection type that has been instantiated
       #   with +attributes+ and linked to this object through a foreign key and that has already been saved (if it passed the validation).
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb
index b8cf4e0eeb..34e4bf9397 100644
--- a/activesupport/lib/active_support/core_ext/module/delegation.rb
+++ b/activesupport/lib/active_support/core_ext/module/delegation.rb
@@ -20,6 +20,7 @@ class Module
   #
   # Multiple delegates to the same target are allowed:
   #   class Foo < ActiveRecord::Base
+  #     belongs_to :greeter
   #     delegate :hello, :goodbye, :to => :greeter
   #   end
   #