diff --git a/legacy/ecore/README.in b/legacy/ecore/README.in
index 7e79f26413..e20ecfe721 100644
--- a/legacy/ecore/README.in
+++ b/legacy/ecore/README.in
@@ -35,7 +35,7 @@ Recommended:
   evas (1.0.0 or better)
 
 Optional:
-  XCB
+  XCB (highly experimental - don't use it unless you are fixing it)
   SDL
   DirectFB