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@@ -240,14 +240,22 @@
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     # * <tt>:new</tt> - Same as <tt>:collection</tt>, but for actions that operate on the new resource action.
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     # * <tt>:controller</tt> - Specify the controller name for the routes.
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     # * <tt>:singular</tt> - Specify the singular name used in the member routes.
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-    # * <tt>:requirements</tt> - Set custom routing parameter requirements.
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+    # * <tt>:requirements</tt> - Set custom routing parameter requirements. For example:
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+    #
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+    #     # GET /products/001  => { :controller => 'products', :action => 'show', :id => '001' }
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+    #     # GET /products/1    => RoutingError
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+    #     # GET /products/1234 => RoutingError
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+    #     map.resources :products, :requirements => { :id => /\d\d\d/ }
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+    #
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     # * <tt>:conditions</tt> - Specify custom routing recognition conditions.  Resources sets the <tt>:method</tt> value for the method-specific routes.
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     # * <tt>:as</tt> - Specify a different resource name to use in the URL path. For example:
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+    #
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     #     # products_path == '/productos'
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     #     map.resources :products, :as => 'productos' do |product|
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     #       # product_reviews_path(product) == '/productos/1234/comentarios'
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     #       product.resources :product_reviews, :as => 'comentarios'
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     #     end
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+    #
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     #   Note that the name of the path generator method is still based on the original resource name.
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     # * <tt>:has_one</tt> - Specify nested resources, this is a shorthand for mapping singleton resources beneath the current.
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     # * <tt>:has_many</tt> -  Same has <tt>:has_one</tt>, but for plural resources.