diff --git a/hard_disk_partition_making_filesystem.md b/hard_disk_partition_making_filesystem.md
index 28f897f..31e8ae2 100644
--- a/hard_disk_partition_making_filesystem.md
+++ b/hard_disk_partition_making_filesystem.md
@@ -52,4 +52,4 @@ sudo mkdir /catalogue-data
 sudo mount /dev/sdb1 /catalogue-data
 ```
 
-Folder /catalogue-data is used by GeoNetwork as data storage.
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+Folder /catalogue-data is used by GeoNetwork as data storage configured via environment variables [environment variables in jetty service](https://gitea.geologie.ac.at/geolba/geonetwork/wiki/Installation-Java-8-JDK-&-Jetty-9#step-3-create-jetty-service)
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