diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb
index <HASH>..<HASH> 100644
--- a/actionpack/lib/action_view/helpers/number_helper.rb
+++ b/actionpack/lib/action_view/helpers/number_helper.rb
@@ -100,7 +100,7 @@ module ActionView
       #  number_to_currency(1234567890.506, :precision => 3)  # => $1,234,567,890.506
       #  number_to_currency(1234567890.506, :locale => :fr)   # => 1 234 567 890,506 €
       #
-      #  number_to_currency(1234567890.50, :negative_format => "(%u%n)")
+      #  number_to_currency(-1234567890.50, :negative_format => "(%u%n)")
       #  # => ($1,234,567,890.51)
       #  number_to_currency(1234567890.50, :unit => "&pound;", :separator => ",", :delimiter => "")
       #  # => &pound;1234567890,50
Negative format example should use a negative number