diff --git a/README.md b/README.md
index 66c040bb80d5f7d708673c50a4efc3fa44465b3d..af7f69996a8f3aafa380c8cdf60a1d60f9dc841b 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,5 @@ This is the base setup of a CandActCFTR like Grails server, capable to handle li
 
 It contains the necessary grails modules and is set to work directly with an in memory database. You can change this in the settings to use other database systems to store the information of the datasets, e.g. MariaDB.
 
+We use Grails mainly to define the data models to be instantiated within the DB and to create some views to have direct access to overviews without invoving external tools.
+Mayor maintance processing, merging updlaoding is done with external tools like KNIME using the provided interfaces (either webinterface or direct DB-backend).
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