diff --git a/include/caosdb/data_type.h b/include/caosdb/data_type.h
index 1e4418f089a8af6d48d67d12170ccb9343f9d5aa..645e9c5bde4f5e559dc0975f4c899634c7223691 100644
--- a/include/caosdb/data_type.h
+++ b/include/caosdb/data_type.h
@@ -78,7 +78,7 @@ class ListDataType;
 class ReferenceDataType : public ProtoMessageWrapper<ProtoDataType> {
 public:
   [[nodiscard]] inline auto GetName() const noexcept -> const std::string & {
-    // is list of refrence?
+    // is list of reference?
     if (this->wrapped->data_type_case() == DataTypeCase::kListDataType) {
       return this->wrapped->list_data_type().reference_data_type().name();
     }