Update README.md

Author: douglasduteil

README.md

@@ -5,7 +5,7 @@ This directive allows you to add [CodeMirror](http://codemirror.net/) to your te
 ## Requirements
 
 - AngularJS
-- [CodeMirror 3.15.x](https://github.com/marijnh/CodeMirror)
+- [CodeMirror 3.19.x](https://github.com/marijnh/CodeMirror)
 
 
 ## Usage
@@ -154,4 +154,4 @@ It's equal to run separately:
 
 * `grunt karma:server` : giving you a Karma server to run tests (at [http://localhost:9876/](http://localhost:9876/) by default). You can force a test on this server with `grunt karma:unit:run`.
 
-* `grunt watch` : will automatically test your code and build your demo.  You can demo generation with `grunt build-doc`.
+* `grunt watch` : will automatically test your code and build your demo.  You can demo generation with `grunt build-doc`.