add some comments

src/opnsense/mvc/app/controllers/OPNsense/IDS/Api/ServiceController.php

@@ -238,7 +238,7 @@ class ServiceController extends ApiControllerBase
             $filter = new Filter();
             $filter->add('query', new QueryFilter());
 
-            // fetch query parameters
+            // fetch query parameters (limit results to prevent out of memory issues)
             $itemsPerPage = $this->request->getPost('rowCount', 'int', 9999);
             $currentPage = $this->request->getPost('current', 'int', 1);
 

src/opnsense/mvc/app/controllers/OPNsense/IDS/Api/SettingsController.php

@@ -71,7 +71,7 @@ class SettingsController extends ApiMutableModelControllerBase
             $filter->add('query', new QueryFilter());
 
 
-            // fetch query parameters
+            // fetch query parameters (limit results to prevent out of memory issues)
             $itemsPerPage = $this->request->getPost('rowCount', 'int', 9999);
             $currentPage = $this->request->getPost('current', 'int', 1);