lib/grape/router/route.rb in grape-1.5.3 vs lib/grape/router/route.rb in grape-1.6.0

@@ -82,11 +82,11 @@
 
       def warn_route_methods(name, location, expected = nil)
         path, line = *location.scan(SOURCE_LOCATION_REGEXP).first
         path = File.realpath(path) if Pathname.new(path).relative?
         expected ||= name
-        warn <<-WARNING
-#{path}:#{line}: The route_xxx methods such as route_#{name} have been deprecated, please use #{expected}.
+        warn <<~WARNING
+          #{path}:#{line}: The route_xxx methods such as route_#{name} have been deprecated, please use #{expected}.
         WARNING
       end
     end
   end
 end