docs: clarify devise 2fa rails8 patch

config/initializers/devise_two_factor_authentication_rails8_patch.rb

@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-# Compatibility patch for devise_two_factor_authentication 3.0.0 on Rails 8.1+.
+# Compatibility patch for devise_two_factor_authentication 3.0.0 on Rails 8+.
 #
 # The gem's route mapper passes the non-standard :resend_code action into
-# `resource ... only: [...]`. Rails 8.1 tightened `resource`/`resources` to raise
+# `resource ... only: [...]`. Rails 8 tightened `resource`/`resources` to raise
 # an ArgumentError when :only/:except contain anything outside the standard REST
-# actions. So, we redefine the mapper method to drop it now we are on Rails 8.1+.
+# actions. So, we redefine the mapper method here to drop it now we are on Rails 8+
 module ActionDispatch::Routing
   class Mapper
   protected