fix the params

app/controllers/discourse_donations/charges_controller.rb

@@ -30,7 +30,7 @@ module DiscourseDonations
       payment = DiscourseDonations::Stripe.new(secret_key, stripe_options)
 
       if params['amount'].present?
-        charge = payment.subscribe(email, { plan: params[:amount] })
+        charge = payment.subscribe(email, params.merge(plan: params[:amount]))
       else
         charge = payment.subscribe(email, params)
       end

config/locales/client.en.yml

@@ -8,4 +8,4 @@ en:
       submit: Make Payment
       submit_with_create_account: Make Payment and Create Account
       messages:
-        success: Thank you, your payment has been successful.<br>Please <strong>check your email</strong> to get your log in link.
+        success: Thank you, your payment has been successful.