diff --git a/ietf/templates/doc/document_info.html b/ietf/templates/doc/document_info.html
index 373af06d8..3e3da1a97 100644
--- a/ietf/templates/doc/document_info.html
+++ b/ietf/templates/doc/document_info.html
@@ -150,7 +150,7 @@
                             {{ replaces|urlize_related_target_list:document_html|join:", " }}
                         {% endif %}
                     {% else %}
-                        <span class="text-muted">(None)</span>
+                        <span class="text-body-secondary">(None)</span>
                     {% endif %}
                 </td>
             </tr>
@@ -232,7 +232,7 @@
                 </a>
             {% endif %}
         </td>
-        <td {% if doc.stream is None %}class="text-muted"{%endif%}>
+        <td {% if doc.stream is None %}class="text-body-secondary"{%endif%}>
             {% if doc.stream is not None %}
                 {% if doc.stream.name|lower in 'iab,irtf,ise,editorial' %}
                     <a href="{% url 'ietf.group.views.stream_documents' acronym=doc.stream.name|lower %}">
diff --git a/ietf/templates/doc/document_rfc.html b/ietf/templates/doc/document_rfc.html
index 3d6ffc1f7..6ceb4427c 100644
--- a/ietf/templates/doc/document_rfc.html
+++ b/ietf/templates/doc/document_rfc.html
@@ -72,7 +72,7 @@
                             {% if doc.ad %}
                                 {% person_link doc.ad %}
                             {% else %}
-                                <span class="text-muted">
+                                <span class="text-body-secondary">
                                     (None)
                                 </span>
                             {% endif %}
@@ -95,7 +95,7 @@
                             {% if doc.notify %}
                                 {{ doc.notify|linkify }}
                             {% else %}
-                                <span class="text-muted">
+                                <span class="text-body-secondary">
                                     (None)
                                 </span>
                             {% endif %}
@@ -324,7 +324,7 @@
                             {% if not forloop.last %}<br>{% endif %}
                         {% endfor %}
                     </p>
-                    <p class="text-muted card-text">
+                    <p class="text-body-secondary card-text">
                         (Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)
                     </p>
                 </div>
@@ -336,4 +336,4 @@
         </script>
         <script src="{% static 'ietf/js/document_timeline.js' %}">
         </script>
-    {% endblock %}
\ No newline at end of file
+    {% endblock %}