minor doc update

diff --git a/Readme.org b/Readme.org
index b4b78db26cabedda8b104327bd223f0c812c961e..24d02fb3c2224867458ba0f6dfa4285b2bfa9ae2 100644 (file)
--- a/Readme.org
+++ b/Readme.org
@@ -95,3 +95,6 @@ You may customize spray by modifying following items:
 - [Face] spray-accent-face
 
 
+** Contributions are welcome!
+
+There's lots of features and enhancements to do. The algorithm has lots of room for improvement. Also, other projects may have algorithm improvements we can port over to this one.