diff --git a/lib/generators/paper_trail/install/templates/create_versions.rb.erb b/lib/generators/paper_trail/install/templates/create_versions.rb.erb
index 268d92909..677d1b731 100644
--- a/lib/generators/paper_trail/install/templates/create_versions.rb.erb
+++ b/lib/generators/paper_trail/install/templates/create_versions.rb.erb
@@ -28,7 +28,9 @@ class CreateVersions < ActiveRecord::Migration<%= migration_version %>
       # MySQL users should also upgrade to at least rails 4.2, which is the first
       # version of ActiveRecord with support for fractional seconds in MySQL.
       # (https://github.com/rails/rails/pull/14359)
-      #
+      # 
+      # MySQL users should use the following line for `created_at`
+      # t.datetime :created_at, limit: 6                                        
       t.datetime :created_at
     end
     add_index :versions, %i(item_type item_id)