Explain this

app/controllers/notifications_controller.rb

@@ -7,7 +7,7 @@ class NotificationsController < ApplicationController
     end
 
     respond_to do |format|
-      format.turbo_stream if current_page_param
+      format.turbo_stream if current_page_param # Allows read-all action to side step pagination
       format.html
     end
   end