diff --git a/app/templates/views/documentation.html b/app/templates/views/documentation.html
index e0557bf7d..d2ec1d80b 100644
--- a/app/templates/views/documentation.html
+++ b/app/templates/views/documentation.html
@@ -8,7 +8,7 @@
 
   <h1 class="heading-large">Documentation</h1>
     <p class="govuk-body">This documentation is for developers who want to integrate the GOV.UK Notify API with a web application or back office system.</p>
-  <h2 class="heading-medium">Client libraries</h2>
+  <h2 class="heading-medium" id="client-libraries">Client libraries</h2>
     <p class="govuk-body">Links to documentation open in a new tab.</p>
   <ul class="list list-bullet">
     {% for key, label in [
@@ -23,7 +23,7 @@
     {% endfor %}
   </ul>
     <p class="govuk-body">A developer should be able to set up the API client and start sending test messages in around 30 minutes. A full integration can take a few days, depending on the other systems you’re using.</p>
-  <h2 class="heading-medium">Integrate directly with the API</h2>
+  <h2 class="heading-medium" id="integrate-directly-with-the-api">Integrate directly with the API</h2>
     <p class="govuk-body">If you cannot use the client libraries, you can integrate directly with the API instead.</p>
 <p class="govuk-body">Read the <a class="govuk-link govuk-link--no-visited-state" href="https://docs.notifications.service.gov.uk/rest-api.html" target="_blank" rel="noopener">REST API documentation</a> (this link opens in a new tab).</p>