fix typo in the README

Author: fangq

README.md

@@ -24,7 +24,7 @@ draft of this file specification, including
 - [Write short comments on Request for Comments (RFC) commits](https://github.com/fangq/jdata/commit/f8fc8f1b814e7a4654b7b0092de15eaafa94d3da)
   - A milestone version of the specification will be associated with an
     RFC (Request for comments) commit (where the entire file is removed
-    and re-added so that every line appears in such comment). One can
+    and re-added so that every line appears in such commit). One can
     write short comments as well as post replies on this RFC page. 
   - The latest RFC commit is based on **Draft 1 (version v0.6)**. Please use
     [this link](https://github.com/fangq/jdata/commit/f8fc8f1b814e7a4654b7b0092de15eaafa94d3da) to comment.