diff --git a/README.md b/README.md
index 0cff3bc02..e6e6cfed3 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ of libraries designed to rapidly develop robot applications.
 
 # Features
 
-* Support for rendering engines including OGRE and OptiX
+* Support for rendering engines including OGRE and OptiX (experimental)
 * Plugin-based architecture. Mulitple rendering engine plugins can be loaded at run time.
 * Object-oriented scene management.