add background context
diff --git a/README b/README
index 2147adb..d2c369f 100644
--- a/README
+++ b/README
@@ -32,8 +32,10 @@
         }
 
         // start any other background processing...
+        // (you can use m.Context() to get a context that will get
+        // canceled when the service is about to shut down)
 
-        select {}
+        <-m.Done()
     }
 
 Usage (running)