README update

Author: MuellerSeb

README.md

@@ -13,7 +13,7 @@
 
 ## Purpose
 
-welltestpy provides a framework to handle and plot data from well based field campaigns as well as a data interpretation module.
+welltestpy provides a framework to handle, process, plot and analyse data from well based field campaigns.
 
 
 ## Installation
@@ -100,7 +100,7 @@ The results are:
 welltestpy.data      # Subpackage to handle data from field campaigns
 welltestpy.estimate  # Subpackage to estimate field parameters
 welltestpy.process   # Subpackage to pre- and post-process data
-welltestpy.tools     # Subpackage with miscellaneous tools
+welltestpy.tools     # Subpackage with tools for plotting and triagulation
 ```