properties.md.erb in grape-markdown-0.0.7

- old
+ new

@@ -1,7 +1,7 @@
 Properties
 
 | Name | Type | Description |
 |:-----|:-----|:------------|
-<% unique_params.each do |param| -%>
+<% route_params.each do |param| -%>
 | <%= param.full_name %> |  <%= param.type %> | <%= param.desc %> |
 <% end -%>