Merge pull request #20375 from yoongkang/docfix

[ci skip] match without via is now deprecated

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -806,7 +806,7 @@ def scope(*args)
         # Scopes routes to a specific controller
         #
         #   controller "food" do
-        #     match "bacon", action: "bacon"
+        #     match "bacon", action: :bacon, via: :get
         #   end
         def controller(controller, options={})
           options[:controller] = controller