diff --git a/app/views/supported_permissions/index.html.erb b/app/views/supported_permissions/index.html.erb
index 0bd76bf06..085f8cbc2 100644
--- a/app/views/supported_permissions/index.html.erb
+++ b/app/views/supported_permissions/index.html.erb
@@ -26,6 +26,20 @@
   } %>
 </div>
 
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds">
+    <%= render "govuk_publishing_components/components/details", {
+      title: "What is a 'delegated' permission?"
+    } do %>
+      <p class="govuk-body">
+        When a permission is delegated, publishing managers are able to grant the
+        permission to users they manage. When the 'signin' permission is delegated,
+        publishing managers can grant or remove access to the given application.
+      </p>
+    <% end %>
+  </div>
+</div>
+
 <%= render "components/table", {
   caption: "Permissions for #{@application.name}",
   caption_classes: "govuk-visually-hidden",
@@ -37,7 +51,7 @@
       text: "Created",
     },
     {
-      text: "Can be delegated?",
+      text: "Delegated",
     },
     {
       text: "Is a default permission given to all new users?",
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 925891eb9..33ca99575 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -23,7 +23,7 @@ en:
 
   supported_permissions:
     form:
-      delegatable: 'Can be delegated'
+      delegated: 'Delegated'
       default: 'Default permission added to all new users'
       placeholder:
         name: 'Name of application permission'