diff --git a/dub.sdl b/dub.sdl
index c9163d3..0da712d 100644
--- a/dub.sdl
+++ b/dub.sdl
@@ -1,4 +1,4 @@
 name "eventcore"
-description "Callback based abstraction layer over operating system asynchronous I/O facilities."
+description "Experimental callback based abstraction layer over operating system asynchronous I/O facilities."
 license "MIT"
 copyright "Copyright © 2012-2016 rejectedsoftware e.K."