diff --git a/templates/config/form_display/display.twig b/templates/config/form_display/display.twig
index c6d1d9a1fa..ac02ace077 100644
--- a/templates/config/form_display/display.twig
+++ b/templates/config/form_display/display.twig
@@ -20,7 +20,7 @@
           <div class="card-body">
             <h5 class="card-title visually-hidden">{{ form.descriptions.name }}</h5>
             {% if form.descriptions.desc is not empty %}
-              <h6 class="card-subtitle mb-2 text-muted">{{ form.descriptions.desc|raw }}</h6>
+              <h6 class="card-subtitle mb-2 text-body-secondary">{{ form.descriptions.desc|raw }}</h6>
             {% endif %}
 
             <fieldset class="optbox">
diff --git a/templates/table/maintenance/checksum.twig b/templates/table/maintenance/checksum.twig
index 9fe7ca1b17..f0f6562cd1 100644
--- a/templates/table/maintenance/checksum.twig
+++ b/templates/table/maintenance/checksum.twig
@@ -21,7 +21,7 @@
             {% if row.Checksum is not null %}
               {{ row.Checksum }}
             {% else %}
-              <em class="text-muted">NULL</em>
+              <em class="text-body-secondary">NULL</em>
             {% endif %}
           </td>
         </tr>
diff --git a/templates/table/operations/index.twig b/templates/table/operations/index.twig
index 9779efa286..2665a3934f 100644
--- a/templates/table/operations/index.twig
+++ b/templates/table/operations/index.twig
@@ -16,7 +16,7 @@
                 <option value="{{ column.Field }}">{{ column.Field }}</option>
               {% endfor %}
             </select>
-            <small id="tableOrderFieldSelectHelp" class="form-text text-muted">
+            <small id="tableOrderFieldSelectHelp" class="form-text text-body-secondary">
               {% trans %}(singly){% context %}Alter table order by a single field.{% endtrans %}
             </small>
           </div>