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--- README.md
+++ README.md
@@ -1,6 +1,6 @@
 # vc-got
 
-This is an **experimental** Emacs VC back-end for the [Game of
+This is an Emacs VC back-end for the [Game of
 Tree](http://gameoftrees.org/) version control system.
 
 ------
@@ -31,7 +31,14 @@ With `use-package` something like this should be enoug
   (add-to-list 'vc-directory-exclusion-list ".got"))
 ```
 
+## Drawbacks
 
+While I've been using this backend on a daily basis for the last
+months, there are some rough edges.  Fetching updates in particular is
+one action that *at the moment* is better to do by hand.  Pushing,
+committing, blaming etc on the other hand are fully functional.
+
+
 ## Stage hunks
 
 Unlike other VC backends, `vc-got` is able to stage and commit
@@ -55,3 +62,12 @@ and an example of the interactive stage operation with
 
 ![interactive stage operation](images/vc-got-stage-files.png
 "interactive stage operation")
+
+
+## Contributing
+
+The long-term plan is to get this into Emacs.  This means that to
+avoid possible problem, a GNU copyright assignment is required.  It's
+really easy to get one (just send an email), and having one will allow
+you to make further contribution to Emacs itself or to various
+other packages.