diff --git a/README.md b/README.md
index ebfdf05..06c8a06 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@
 The web user interface will than be available for example at <http://localhost:3000>
 
 ## Web Service API
-In addition to the web user interface, derekovecs also provides a web api which is however still very unsystematic and **not stable**.
+In addition to the web user interface, derekovecs also provides a web api which is however still very unsystematic and **not stable**. To figure out the meaning of still undocumented result components, have a look at the table head mouse-overs in the GUI or at the source code around [here](https://korap.ids-mannheim.de/gerrit/plugins/gitiles/ids-kl/derekovecs/+/refs/heads/master/templates/index.html.ep#684).
 
 | Command      | Parameters | Description |
 | ----------- | ----------- | ----------- |