diff --git a/app/views/admin/newsletters/new.html.erb b/app/views/admin/newsletters/new.html.erb
index d84cac6bf..1c58eaf44 100644
--- a/app/views/admin/newsletters/new.html.erb
+++ b/app/views/admin/newsletters/new.html.erb
@@ -1,4 +1,9 @@
 <%= back_link_to %>
 <h2><%= t("admin.newsletters.new.title") %></h2>
+<p>
+  <%= t("admin.newsletters.new.header_footer_help_text_html",
+         link: link_to(t("admin.newsletters.new.image_link"),
+                       admin_site_customization_images_path)) %>
+</p>
 
 <%= render "form" %>
diff --git a/config/locales/en/admin.yml b/config/locales/en/admin.yml
index 1c2ca77f1..a4915a4ee 100644
--- a/config/locales/en/admin.yml
+++ b/config/locales/en/admin.yml
@@ -780,6 +780,8 @@ en:
       new:
         title: New newsletter
         from: E-mail address that will appear as sending the newsletter
+        header_footer_help_text_html: "The heading and footer are the same for all emails, you can modify them on <code>app/views/layouts/mailer_header</code> and <code>app/views/layouts/mailer_footer</code>.<br>You can replace header image on %{link}."
+        image_link: "custom images"
       edit:
         title: Edit newsletter
       show:
@@ -794,7 +796,7 @@ en:
         segment_recipient: Recipients
         from: E-mail address that will appear as sending the newsletter
         body: Email content
-        body_help_text: This is how the users will see the email
+        body_help_text: This is how the users will see the email.
         send_alert: Are you sure you want to send this newsletter to %{n} users?
     admin_notifications:
       create_success: Notification created successfully
diff --git a/config/locales/es/admin.yml b/config/locales/es/admin.yml
index e5334340e..69560ff06 100644
--- a/config/locales/es/admin.yml
+++ b/config/locales/es/admin.yml
@@ -779,6 +779,8 @@ es:
       new:
         title: Nueva newsletter
         from: Dirección de correo electrónico que aparecerá como remitente de la newsletter
+        header_footer_help_text_html: "El encabezado y pie son los mismos en todos los emails, puedes modificarlos en <code>app/views/layouts/mailer_header</code> y <code>app/views/layouts/mailer_footer</code>.<br>Puedes reemplazar la imagen del encabezado en %{link}."
+        image_link: "personalizar imágenes"
       edit:
         title: Editar newsletter
       show:
@@ -793,7 +795,7 @@ es:
         segment_recipient: Destinatarios
         from: Dirección de correo electrónico que aparecerá como remitente de la newsletter
         body: Contenido del email
-        body_help_text: Así es como verán el email los usuarios
+        body_help_text: Así es como verán el email los usuarios.
         send_alert: "¿Estás seguro/a de que quieres enviar esta newsletter a %{n} usuarios?"
     admin_notifications:
       create_success: Notificación creada correctamente