diff --git a/openedx/features/content_type_gating/templates/content_type_gating/access_denied_message.html b/openedx/features/content_type_gating/templates/content_type_gating/access_denied_message.html
index 546b647704..b08d6e1517 100644
--- a/openedx/features/content_type_gating/templates/content_type_gating/access_denied_message.html
+++ b/openedx/features/content_type_gating/templates/content_type_gating/access_denied_message.html
@@ -17,5 +17,6 @@
         </span>
         {% endif %}
     </div>
-    <img src="/static/images/edx-verified-mini-cert.png">
+    <img src="{% static 'images/edx-verified-mini-cert.png' %}"
+         alt="{% trans 'Example of a verified certificate' as tmsg %}{{ tmsg | force_escape }}">
 </div>
diff --git a/openedx/features/course_experience/templates/course_experience/course-home-fragment.html b/openedx/features/course_experience/templates/course_experience/course-home-fragment.html
index 6aadf9fd15..9e42725034 100644
--- a/openedx/features/course_experience/templates/course_experience/course-home-fragment.html
+++ b/openedx/features/course_experience/templates/course_experience/course-home-fragment.html
@@ -140,7 +140,9 @@ from openedx.features.course_experience.course_tools import HttpMethod
             % if upgrade_url and upgrade_price:
                 <div class="section section-upgrade course-home-sidebar-upgrade ${'discount' if has_discount else 'no-discount'}">
                     <h3 class="hd hd-6">${_("Pursue a verified certificate")}</h3>
-                        <img src="https://courses.edx.org/static/images/edx-verified-mini-cert.png" alt="">
+                        <img src="${static.url('images/edx-verified-mini-cert.png')}"
+                             alt="${_('Sample verified certificate with your name, the course title, the logo of the institution and the signatures of the instructors for this course.')}" />
+
                         <div class="upgrade-container">
                             <p>
                                 <a id="green_upgrade" class="btn-brand btn-upgrade"