diff --git a/src/applications/base/PhabricatorApplication.php b/src/applications/base/PhabricatorApplication.php
--- a/src/applications/base/PhabricatorApplication.php
+++ b/src/applications/base/PhabricatorApplication.php
@@ -235,6 +235,11 @@
     return array();
   }
 
+  /**
+   * Get the Application Overview in raw Remarkup
+   *
+   * @return string|null
+   */
   public function getOverview() {
     return null;
   }
diff --git a/src/applications/meta/controller/PhabricatorApplicationDetailViewController.php b/src/applications/meta/controller/PhabricatorApplicationDetailViewController.php
--- a/src/applications/meta/controller/PhabricatorApplicationDetailViewController.php
+++ b/src/applications/meta/controller/PhabricatorApplicationDetailViewController.php
@@ -114,7 +114,7 @@
     }
 
     $overview = $application->getOverview();
-    if (strlen($overview)) {
+    if (phutil_nonempty_string($overview)) {
       $overview = new PHUIRemarkupView($viewer, $overview);
       $properties->addSectionHeader(
         pht('Overview'), PHUIPropertyListView::ICON_SUMMARY);