Change documentation to consistently refer to the same object

The documentation in this section is referring to a profile,
so the resource that's created should probably also be a
profile of some sort.

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -1066,18 +1066,18 @@ def resources_path_names(options)
         # a singular resource to map /profile (rather than /profile/:id) to
         # the show action:
         #
-        #   resource :geocoder
+        #   resource :profile
         #
         # creates six different routes in your application, all mapping to
-        # the +GeoCoders+ controller (note that the controller is named after
+        # the +Profiles+ controller (note that the controller is named after
         # the plural):
         #
-        #   GET       /geocoder/new
-        #   POST      /geocoder
-        #   GET       /geocoder
-        #   GET       /geocoder/edit
-        #   PATCH/PUT /geocoder
-        #   DELETE    /geocoder
+        #   GET       /profile/new
+        #   POST      /profile
+        #   GET       /profile
+        #   GET       /profile/edit
+        #   PATCH/PUT /profile
+        #   DELETE    /profile
         #
         # === Options
         # Takes same options as +resources+.