diff --git a/README.md b/README.md
index 77c3a4d7..06a757f2 100644
--- a/README.md
+++ b/README.md
@@ -67,12 +67,18 @@ configuration source(s). They read configuration in terms of functions in packag
 
 ```
     func (app *appObject) Run() {
+        // Read the server configuration.
         type serverConfig struct {
             Host string
             Port int
         }
         cfg := konf.Get[serverConfig]("server")
 
+        // Register callbacks while server configuration changes.
+        konf.OnChange(func() {
+		      // Reconfig the application object.
+	      }, "server")
+
         // ... use cfg in app code ...
     }
 ```