Don't upload your translations over the current ones, especially if they are being regularly updated and your ones are of way lower quality! Just don't. Your promotion is meaningless, no one is going to leave this site over translations that are of way lower quality to read them on your site.
Don't upload your translations over the current ones, especially if they are being regularly updated and your ones are of way lower quality! Just don't. Your promotion is meaningless, no one is going to leave this site over translations that are of way lower quality to read them on your site.