Update README.md

Author: scopeInfinity

README.md

@@ -1,6 +1,8 @@
 # Video Captioning
 Generate caption for the given video clip
 
+**WIP**: Use [docker](https://github.com/scopeInfinity/Video2Description/tree/docker) branch for yet to be tested but simpler setup.
+
 Branch : [VideoCaption](https://github.com/scopeInfinity/Video2Description/tree/VideoCaption) (1a2124d), [VideoCaption_catt](https://github.com/scopeInfinity/Video2Description/tree/VideoCaption_catt) (647e73b4)
 
 ### Model