Update README.md

README.md

@@ -60,7 +60,7 @@ Please feel free to contribute by writing an [issue](https://git.rwth-aachen.de/
 | Crystallographic Defect Ontology Suite (CDOS)                | [:file_folder:](https://github.com/OCDO/cdos)                                                          |                                                                                | crystallographic defects                                                       |
 | Dislocation Ontology (DISO)                                  | [:file_folder:](https://github.com/Materials-Data-Science-and-Informatics/dislocation-ontology)        | [:bookmark_tabs:](https://materials-data-science-and-informatics.github.io/dislocation-ontology/) | dislocations, crystal structures                                               |
 | Materials Modelling and Simulation Suite (MMSS)              | [:file_folder:](https://github.com/OCDO/mmss)                                                          |                                                                                | modelling and simulation, atomistic simulations, discrete dislocation dynamics |
-| EM Glossary                                                  | [:file_folder:](https://codebase.helmholtz.cloud/em_glossary/em_glossary)                              |                                                                                | electron microscopy                                                            |
+| EM Glossary                                                  | [:file_folder:](https://codebase.helmholtz.cloud/em_glossary/em_glossary)                              |              [:bookmark_tabs:](https://emglossary.helmholtz-metadaten.de/)                          | electron microscopy                                                            |
 | Materials Design Ontology (MDO)                              | [:file_folder:](https://github.com/LiUSemWeb/Materials-Design-Ontology)                                | [:bookmark_tabs:](https://w3id.org/mdo/full/1.0/ )                                                        | materials design, simulation, solid-state physics                              |
 | Crystallographic Materials Sample Ontology (CMSO)            | [:file_folder:](https://github.com/OCDO/cmso-ontology)                                                 |                                                                                | computational sample description                                               |
 | PMD Core Ontology                                            | [:file_folder:](https://github.com/materialdigital/core-ontology)                                      | [:bookmark_tabs:](https://w3id.org/pmd/co)                                                        | Platform MaterialDigital, processes, experiments                               |