Update README.md (github#740)

Author: geunkim

README.md

@@ -23,9 +23,10 @@ If you'd like to have a copy of the files to be served from a web server inside
 2. To test this looks okay, create some folders `mkdir -p test_site/kit`.
 3. Untar the release, `tar -xzf release-XXXXXXX.tgz -C test_site/kit`.
 4. Switch into the test_site directory, `cd test_site`.
-5. View the site with `python -m SimpleHTTPServer`. _Note: Some servers are more advanced than others and can handle redirects, smart recognition of `.html` files, etc_
-
-## [Licenses](https://github.com/github/training-kit/blob/master/LICENSE)
+5. View the site:
+    - For python version 2.x, run: `python -m SimpleHTTPServer`
+    - For python version 3.x, run: `python -m http.server`
+    - _Note: Some servers are more advanced than others and can handle redirects, smart recognition of `.html` files, etc_
 
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