diff --git a/app/views/notifications/_form.html.erb b/app/views/notifications/_form.html.erb
index 76a275234..32af1adc0 100644
--- a/app/views/notifications/_form.html.erb
+++ b/app/views/notifications/_form.html.erb
@@ -26,7 +26,7 @@
       <% end %>
     <% end %>
 
-    <span class="govuk-caption-m govuk-!-margin-bottom-6"><%= govuk_link_to "Find out more about using Markdown at Markdown Guide", "https://www.markdownguide.org/basic-syntax/" %></span>
+    <span class="govuk-caption-m govuk-!-margin-bottom-6"><%= govuk_link_to "Find out more about using Markdown at Markdown Guide", "https://www.markdownguide.org/basic-syntax/", new_tab: true %></span>
 
     <%= f.govuk_submit "Continue" %>
   </div>