diff --git a/README.md b/README.md
index b8cba4d..30e82b1 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,12 @@ It is hosted by [OpenShift](https://www.openshift.com/) at
 [3dinterface.no-ip.org](http://3dinterface.no-ip.org).
 
 ## To run a local server
+### Database setup
 First you need to configure the database. You can create a postgres database
 where you want, and you can initialize it by running the script
 `sql/backup.pgsql`.
 
+### Nodejs configuration
 Then, you have to set up nodejs to access to your database. Basically, you have
 to create a file `private.js` at the root of the repository looking like this :
 
@@ -18,7 +20,17 @@ module.exports.url = ... // the url to connect to your database
 
 module.exports.secret = ... // A secret string used to hash stuff
 ```
+### Compiling the static js files
+Once this is done, you have to generate the static javascript files. To do this, 
+you should go to the directory `js` at the root  and run `make`. You will need to 
+have[closure-compiler](https://github.com/google/closure-compiler) on your machine.
 
+If it doesn't work, check in the `Makefile` that the path to `closure-compiler.jar` 
+is correct.
+
+This will generate lots of `*.min.js` in `static/js`.
+
+### Running a local server
 As usual with NodeJS, it's quite easy to test. Just ensure you have `node`
 installed on your machine, clone this repo somewhere, and then, in the repo do