diff --git a/config.example.js b/config.example.js
index bfdb4b1555..ac5e35dc18 100644
--- a/config.example.js
+++ b/config.example.js
@@ -34,7 +34,9 @@ config = {
             debug: false
         },
         server: {
+            // Host to be passed to node's `net.Server#listen()`
             host: '127.0.0.1',
+            // Port to be passed to node's `net.Server#listen()`, for iisnode set this to `process.env.PORT`
             port: '2368'
         }
     },
@@ -53,7 +55,9 @@ config = {
             debug: false
         },
         server: {
+            // Host to be passed to node's `net.Server#listen()`
             host: '127.0.0.1',
+            // Port to be passed to node's `net.Server#listen()`, for iisnode set this to `process.env.PORT`
             port: '2368'
         }
     },