properties.md.erb in grape-slate-0.0.4

- old
+ new

@@ -1,5 +1,5 @@
-Properties
+### URL Parameters
 
 | Name | Type | Description |
 |:-----|:-----|:------------|
 <% unique_params.each do |param| -%>
 | <%= param.full_name %> |  <%= param.type %> | <%= param.desc %> |