diff --git a/README.rst b/README.rst
index ead31ca..5b3e235 100644
--- a/README.rst
+++ b/README.rst
@@ -71,7 +71,7 @@ Test
 
     $ ``sudo apt-get install npm``
     $ ``curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash -``
-    $ ``sudo apt-get install -y nodejs``
+    $ ``sudo apt-get install nodejs``
 
   1. ``npm install`` (to create virtual environment and install all dependencies in package.json)
   2. ``npm run lint`` for eslint