diff --git a/packages/node_modules/node-red/settings.js b/packages/node_modules/node-red/settings.js
index ed93ca819..331654ed8 100644
--- a/packages/node_modules/node-red/settings.js
+++ b/packages/node_modules/node-red/settings.js
@@ -193,6 +193,7 @@ module.exports = {
     // The following property can be used to add a custom middleware function
     // in front of all http in nodes. This allows custom authentication to be
     // applied to all http in nodes, or any other sort of common request processing.
+    // It can be a single function or an array of middleware functions.
     //httpNodeMiddleware: function(req,res,next) {
     //    // Handle/reject the request, or pass it on to the http in node by calling next();
     //    // Optionally skip our rawBodyParser by setting this to true;
@@ -203,7 +204,7 @@ module.exports = {
 
     // The following property can be used to add a custom middleware function
     // in front of all admin http routes. For example, to set custom http
-    // headers
+    // headers. It can be a single function or an array of middleware functions.
     // httpAdminMiddleware: function(req,res,next) {
     //    // Set the X-Frame-Options header to limit where the editor
     //    // can be embedded
@@ -300,6 +301,29 @@ module.exports = {
         }
     },
 
+    // Configure how the runtime will handle external npm modules.
+    // This covers:
+    //  - whether the editor will allow new node modules to be installed
+    //  - whether nodes, such as the Function node are allowed to have their
+    //    own dynamically configured dependencies.
+    // The allow/denyList options can be used to limit what modules the runtime
+    // will install/load. It can use '*' as a wildcard that matches anything.
+    externalModules: {
+        // autoInstall: false,   // Whether the runtime will attempt to automatically install missing modules
+        // autoInstallRetry: 30, // Interval, in seconds, between reinstall attempts
+        // palette: {              // Configuration for the Palette Manager
+        //     allowInstall: true, // Enable the Palette Manager in the editor
+        //     allowUpload: true,  // Allow module tgz files to be uploaded and installed
+        //     allowList: [],
+        //     denyList: []
+        // },
+        // modules: {              // Configuration for node-specified modules
+        //     allowInstall: true,
+        //     allowList: [],
+        //     denyList: []
+        // }
+    },
+
     // Customising the editor
     editorTheme: {
         projects: {