diff --git a/Running-No-Hardware.md b/Running-No-Hardware.md
index 7685733..8d64db1 100644
--- a/Running-No-Hardware.md
+++ b/Running-No-Hardware.md
@@ -1,4 +1,4 @@
-A "No Hardware" configuration of Pixelator can be useful for development and testing without being connected to STXM hardware.
+A "No Hardware" configuration of Pixelator can be useful for development and testing without being connected to STXM hardware. Note that the "No Hardware" setup doesn't use any realtime system (e.g. Orchestra, Orocos).
   
 # 1. Start PixelatorController
 ```