diff --git a/README_SETUP.md b/README_SETUP.md
index 0de7b12b500cf4f9addeb52bb14ed19a38f560ee..5ef3496df8ab9bcb94ebe17cdac89169f0e46b0d 100644
--- a/README_SETUP.md
+++ b/README_SETUP.md
@@ -156,6 +156,9 @@ type `https://localhost:10443` in your Browser, assuming you used 10443 as port.
 Note, that you will get a security warning if you are using a self-signed
 certificate.
 
+You can use `make run-single` to directly start the server without rebuilding
+sources (if you called `make run` previously).
+
 ## Run Unit Tests
 
 `$ make test`