1 files changed, 8 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/validations/associated.rb b/activerecord/lib/active_record/validations/associated.rb
index 7f1972ccf9..47ccef31a5 100644
--- a/activerecord/lib/active_record/validations/associated.rb
+++ b/activerecord/lib/active_record/validations/associated.rb
@@ -2,15 +2,15 @@ module ActiveRecord
   module Validations
     class AssociatedValidator < ActiveModel::EachValidator #:nodoc:
       def validate_each(record, attribute, value)
-        if Array.wrap(value).reject {|r| r.marked_for_destruction? || r.valid?(record.validation_context) }.any?
+        if Array.wrap(value).reject {|r| r.marked_for_destruction? || r.valid?}.any?
           record.errors.add(attribute, :invalid, options.merge(:value => value))
         end
       end
     end
 
     module ClassMethods
-      # Validates whether the associated object or objects are all valid
-      # themselves. Works with any kind of association.
+      # Validates whether the associated object or objects are all valid.
+      # Works with any kind of association.
       #
       #   class Book < ActiveRecord::Base
       #     has_many :pages
@@ -29,9 +29,11 @@ module ActiveRecord
       # Configuration options:
       #
       # * <tt>:message</tt> - A custom error message (default is: "is invalid").
-      # * <tt>:on</tt> - Specifies when this validation is active. Runs in all
-      #   validation contexts by default (+nil+), other options are <tt>:create</tt>
-      #   and <tt>:update</tt>.
+      # * <tt>:on</tt> - Specifies the contexts where this validation is active.
+      #   Runs in all validation contexts by default (nil). You can pass a symbol
+      #   or an array of symbols. (e.g. <tt>on: :create</tt> or
+      #   <tt>on: :custom_validation_context</tt> or
+      #   <tt>on: [:create, :custom_validation_context]</tt>)
       # * <tt>:if</tt> - Specifies a method, proc or string to call to determine
       #   if the validation should occur (e.g. <tt>if: :allow_validation</tt>,
       #   or <tt>if: Proc.new { |user| user.signup_step > 2 }</tt>). The method,