diff --git a/doc/user/project/pages/getting_started_part_three.md b/doc/user/project/pages/getting_started_part_three.md
index 53fd1786cfa0511bbf4e1d25ae8011bed47750f6..9e8224302ca68b22c9d5619cff326491260f8f71 100644
--- a/doc/user/project/pages/getting_started_part_three.md
+++ b/doc/user/project/pages/getting_started_part_three.md
@@ -52,6 +52,16 @@ for the most popular hosting services:
 If your hosting service is not listed above, you can just try to
 search the web for "how to add dns record on <my hosting service>".
 
+#### Adding new domains
+
+First you'll have to go to your **Project**'s **Settings** > **Pages** > **New Domain** 
+to add the domains you want associated with this Pages project.
+
+![Pages project - adding new domains](img/add_certificate_to_pages.png)
+
+You can just fill in the "Domain" part for now and leave the Certificate and 
+Key fields empty, when you don't have any TLS certificates yet.
+
 #### DNS A record
 
 In case you want to point a root domain (`example.com`) to your
@@ -185,6 +195,10 @@ and paste it in the [same field as your PEM certificate](https://about.gitlab.co
 just jumping a line between them.
 - Copy your public key and paste it in the last field
 
+Note that if you previously already had entries for the desired domains, 
+you need to delete them first before replacing them with new entries 
+containing the certificate and the key
+
 >**Note:**
 **Do not** open certificates or encryption keys in
 regular text editors. Always use code editors (such as