diff --git a/DDRec/include/DDRec/DetectorData.h b/DDRec/include/DDRec/DetectorData.h
index 9db28d2faf2c9720dde01723329b1238a34760ec..50af66a03e2f138ee8a7ed99bb640e29bd84d9bb 100644
--- a/DDRec/include/DDRec/DetectorData.h
+++ b/DDRec/include/DDRec/DetectorData.h
@@ -508,7 +508,7 @@ namespace dd4hep {
     /** Data structure that holds a map of string keys to a typesafe union of double, int, string or bool.
      *  It can be used as an extension object for detector elements to attach arbitrary information 
      *  @author P.Gessinger, CERN
-     *  @date May, 24 2022
+     *  @date May, 25 2022
      */
     struct MapStringVariantStruct {
       std::map<std::string, boost::variant<double, int, std::string, bool>> variantParameters{};
diff --git a/DDRec/src/plugins/addVariantParameters.cpp b/DDRec/src/plugins/addVariantParameters.cpp
index 29d417a5bd8873ff0c6f2482cd69c41474768e6e..7959921283d9a42e571e6701c788169602399deb 100644
--- a/DDRec/src/plugins/addVariantParameters.cpp
+++ b/DDRec/src/plugins/addVariantParameters.cpp
@@ -24,7 +24,7 @@ namespace dd4hep::rec {
 
 /**
  *  @author P.Gessinger, CERN
- *  @date May, 24 2022
+ *  @date May, 25 2022
  *
  *  \brief Plugin which attaches parameters with string keys and int, double, 
  *  string or bool values to detector elements