General: Updated installation instructions

README.md

@@ -23,7 +23,8 @@ choco install swig   # python -> C++ bridge
 ### Python library
 Once the system level requirements are installed, the library can be installed using pip:
 ```
-pip install xrdpattern
+pip install git+https://github.com/aimat-lab/xrdpattern
+
 ```
 
 
@@ -59,4 +60,4 @@ Loading Diffractogram patterns from the following data formats is supported:
 
 When using Xrdpattern.load(fpath=xrdfile.suffix), the format will be automatically determined from the suffix unless
 there are are several formats with this format as with .raw and .dat. 
-In this case the format will need to be manually specified.
+In this case the format will need to be manually specified.