diff --git a/DataArchitectureDiagram.md b/DataArchitectureDiagram.md
index cb8ea1c..eb12e86 100644
--- a/DataArchitectureDiagram.md
+++ b/DataArchitectureDiagram.md
@@ -89,7 +89,7 @@ The general guideline for publishing research data <a href="https://tethys.at/do
 
 # 2. Metadata Schema
 
-The **Metadata format guidelines** <a href="https://tethys.at/docs/HandbuchTethys.pdf#page=9" target="_blank">(manual, p. 8-10)</a> on the other hand, provides information on the specific types of metadata that should be included with the data. This may include information on the format and structure of the metadata, as well as the types of information that should be included. Tethys RDR is using three metadata standards (**Dublin Core, DataCite and ISO10130**) as well as one descriptive metadata element (dataset type). The dataset type is one of the following metadata elements: Analysis, Measurements, Monitoring, Remote Sensing, Geographic Information System (GIS), Models, and Mixed Type.
+The **Metadata format guidelines** <a href="https://tethys.at/docs/HandbuchTethys.pdf#page=9" target="_blank">(manual, p. 8-10)</a> on the other hand, provides information on the specific types of metadata that should be included with the data. This may include information on the format and structure of the metadata, as well as the types of information that should be included. Tethys RDR is using three metadata standards (**Dublin Core, DataCite and ISO19139**) as well as one descriptive metadata element (dataset type). The dataset type is one of the following metadata elements: Analysis, Measurements, Monitoring, Remote Sensing, Geographic Information System (GIS), Models, and Mixed Type.
 
 # 3. Storage Infrastructure