Format doc on .env configuration file

README.md

@@ -31,18 +31,18 @@ LexImpact has two components:
 
 # How to use
 
-```
+```shell
 npm install
 npm run dev
 ```
 
 ## Configuration file `.env`
 
-A file name .env is necessary for the client to work properly. The file .env.example can be copied into it.
+A file name `.env` is necessary for the client to work properly. The file `.env.example` can be copied into it.
 
-Variables of environment that should be set are:
-- API_URL : leximpact-client is just a web interface, that does not do computations by itself, but needs to be provided a working [Leximpact-server](https://github.com/betagouv/leximpact-server/) endpoint to fetch results. As of 2019-11-06, a working API example can be found on the endpoint https://api.leximpact.beta.gouv.fr 
-- PORT : describes the port that the client will be setup to (e.g. the website will be accessible from http://127.0.0.1:<PORT> if the client is run locally). If ommited, defaults to 9001
+Here ate the environment variables that you have to set:
+- `API_URL`: leximpact-client is just a web interface that does not do computations by itself, but needs to be provided a working [leximpact-server](https://github.com/betagouv/leximpact-server/) Web API to fetch results. As of v`1.0.0`, a working API example can be found on: https://api.leximpact.beta.gouv.fr
+- `PORT`: describes the port that the client will be setup to (e.g. the website will be accessible from http://127.0.0.1:<PORT> if the client is run locally). If ommited, defaults to `9001`
 
 
 # Snapshots Jest (Tests)