README correction

README.md

@@ -9,16 +9,16 @@ _Julia bindings to Vega-Lite_
 
 This package provides access to the Vega-Lite high-level visualization grammar (http://vega.github.io/vega-lite/) from within Julia . Install with
 `Pkg.add("VegaLite")` (or `Pkg.clone("https://github.com/fredo-dedup/VegaLite.jl.git")`
-while its not in the official repository). You can use the integrated documentation (e.g. `? config_mark`) to get the full list of properties.
+until it hasn't reached the official repository). You can use the integrated documentation (e.g. `? config_mark`) to get the full list of properties.
 
 Vega-Lite is a simpler version of the Vega grammar allowing smaller and more expressive chart specifications. If you don't find this library powerful enough for your needs you can turn to Vega.jl (https://github.com/johnmyleswhite/Vega.jl) on which this project is largely based (thanks !).
 
 ##TODO:
 - IJulia/Jupyter integration
-- More tests !
-- Implement `transform`, `bin`,..
+- More tests
+- Implement missing sub-specs : `transform`, `bin`,..
 
-Any contribution, on this list or not, is greatly appreciated!
+Any contribution, PR or issue, is welcome !
 
 
 ##Examples: