diff --git a/app/templates/views/features/letters.html b/app/templates/views/features/letters.html
index e7b31508f..2903c48f6 100644
--- a/app/templates/views/features/letters.html
+++ b/app/templates/views/features/letters.html
@@ -27,7 +27,7 @@
   <p>First class letters are delivered one day after they’re dispatched. Second class letters are delivered 2 days after they’re dispatched.</p>
   <p>Letters are printed at 5.30pm and dispatched the next working day (Monday to Friday). Royal Mail delivers from Monday to Saturday, excluding bank holidays.</p>
 
-  <h3 class="heading heading-small">Upload your own letters</h3>
+  <h3 class="heading heading-small" id="upload-letters">Upload your own letters</h3>
   <p>You can create reusable letter templates in Notify, or upload and send your own letters with the Notify API.</p>
   <p>Use the <a href="https://docs.notifications.service.gov.uk/documentation/images/notify-pdf-letter-spec-v2.3.pdf">letter specification document</a> to help you set up your letter, save it as a PDF, then upload it to Notify.<p>
   <p>Read our <a href="{{ url_for('.documentation') }}">API documentation</a> for more information.</p>