diff --git a/src/applications/dashboard/xaction/panel/PhabricatorDashboardTextPanelTextTransaction.php b/src/applications/dashboard/xaction/panel/PhabricatorDashboardTextPanelTextTransaction.php
--- a/src/applications/dashboard/xaction/panel/PhabricatorDashboardTextPanelTextTransaction.php
+++ b/src/applications/dashboard/xaction/panel/PhabricatorDashboardTextPanelTextTransaction.php
@@ -9,6 +9,25 @@
     return 'text';
   }
 
+  public function getTitle() {
+    return pht(
+      '%s updated the panel text.',
+      $this->renderAuthor());
+  }
+
+  public function hasChangeDetailView() {
+    return true;
+  }
+
+  public function newChangeDetailView() {
+    $viewer = $this->getViewer();
+
+    return id(new PhabricatorApplicationTransactionTextDiffDetailView())
+      ->setViewer($viewer)
+      ->setOldText($this->getOldValue())
+      ->setNewText($this->getNewValue());
+  }
+
   public function newRemarkupChanges() {
     $changes = array();