Update README.rst

Author: tijme

README.rst

@@ -47,7 +47,7 @@ Installation
 
 First make sure you're on `Python 2.7/3.3 <https://www.python.org/>`__ or higher. Then run the command below to install ACSTIS.
 
-``$ pip install --upgrade acstis``
+``$ pip install git+https://github.com/tijme/angularjs-csti-scanner.git``
 
 Usage
 -----