Update README with jekyll version
diff --git a/README.md b/README.md
index c4618bc..52e386c 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
 This project contains a template web site that aims to follow all the various required
 Apache Website Policies.
 
-This template was generated using [Jekyll](https://jekyllrb.com/).
+This template was generated using [Jekyll](https://jekyllrb.com/) 2.4.0.
 
 To use it, copy the `site` directory into your project.  You must also
 include licensing information from the `LICENSE` and `NOTICE` files in
@@ -60,7 +60,7 @@
 running from within the directory:
 
 ```
-1. bundle exec jekyll serve
+1. bundle exec jekyll serve --watch
 2. Open [http://localhost:4000](http://localhost:4000)
 ```