diff --git a/Embedding-Caddy-in-your-Go-program.md b/Embedding-Caddy-in-your-Go-program.md
index c59e7a1..223b86c 100644
--- a/Embedding-Caddy-in-your-Go-program.md
+++ b/Embedding-Caddy-in-your-Go-program.md
@@ -31,7 +31,8 @@ You can also restart Caddy:
 ```go
 // On Unix systems, you get graceful restarts.
 // To use same Caddyfile, just pass in nil.
-err = instance.Restart(newCaddyfile)
+// Be sure to replace the old instance with the new one!
+instance, err = instance.Restart(newCaddyfile)
 if err != nil {
 	log.Fatal(err)
 }