diff --git a/README.md b/README.md
index f3849f91a402b15ca3a69af03f185e892c495363..440af199d984bf7cbb29c4af8112336817bb619d 100644
--- a/README.md
+++ b/README.md
@@ -22,16 +22,22 @@ To contribute and compile cesium, you will have to:
   nvm install 5 
 ```
       
+  - Installing nodejs build tools:
+```
+   npm install -g bower gulp ionic cordova
+```
+
   - Installing other build dependencies:
 ```
  sudo apt-get install build-essential
 ```
    
+   
   - Getting source and installing project dependencies:    
 ```
   git clone https://github.com/duniter/cesium.git
   cd cesium
-  npm install --save
+  npm install
   bower install
 ```
 
diff --git a/doc/fr/development_tutorial.md b/doc/fr/development_tutorial.md
index ea84c705c28d4149e8fc7b85037aace9d6e519f1..69db440749b6a158078e81950f013afbe06c648a 100644
--- a/doc/fr/development_tutorial.md
+++ b/doc/fr/development_tutorial.md
@@ -126,7 +126,7 @@ cd cesium
 Puis, lancez le téléchargement et l'installation des modules Cesium à l'aide de la commande : 
 
 ```bash
-npm install -g bower gulp ionic
+npm install -g bower gulp ionic cordova
 ```
 Puis pour les dépendances non globales :
 ```bash