es6 covered by yajs syntax

README.md

@@ -64,7 +64,7 @@ See [gruvbox-generalized][] repo for contributions, ports and extras.
 ToDo
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-* Filetype syntax highlighting (R, TeX, Swift, Haskell, Erlang, ES6 and I'm still dissatisfied with CSS)
+* Filetype syntax highlighting (R, TeX, Swift, Haskell, Erlang and I'm still dissatisfied with CSS)
 * Plugin support (MiniBufExplorer, Tagbar, Netrw, VimPLug)
 * Lightline theme