Added link from Webhook to Mailer

Author: TimoBakx

webhook.rst

@@ -24,10 +24,10 @@ webhook calls from the third-party mailer.
 
 In this example Mailgun is used with ``'mailer_mailgun'`` as webhook type.
 Any type name can be used as long as it's unique. Make sure to use it in the
-routing configuration, the webhook URL and the Remote Event Consumer.
+routing configuration, the webhook URL and the RemoteEvent consumer.
 
-Install the third party mailer as described in the documentation of the mailer
-component.
+Install the third party mailer as described in the documentation of the
+:doc:`Mailer component </mailer>`.
 
 The Webhook component routing needs to be defined: