diff --git a/CITATION.cff b/CITATION.cff
index 879c6281..6c4931e6 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,6 +1,6 @@
 cff-version: 1.2.0
 title: 'pynxtools-xps: A pynxtools reader plugin for X-ray photoelectron spectroscopy (XPS) data'
-version: 0.4.7
+version: 0.4.8
 message:
   If you use this software, please cite it using the
   metadata from this file.
diff --git a/src/pynxtools_xps/nomad/examples/xps.scheme.archive.yaml b/src/pynxtools_xps/nomad/examples/xps.scheme.archive.yaml
index 980a39ce..bba8d141 100644
--- a/src/pynxtools_xps/nomad/examples/xps.scheme.archive.yaml
+++ b/src/pynxtools_xps/nomad/examples/xps.scheme.archive.yaml
@@ -11,6 +11,7 @@ definitions:
           nxdl: NXmpes
         eln:
           hide: []
+      quantities:
         title:
           type: str
           m_annotations: