diff --git a/README.md b/README.md
index 7925ba8..23ca956 100644
--- a/README.md
+++ b/README.md
@@ -15,8 +15,9 @@ This repository provides a MATSim transport model for the metropolitan area Ruhr
The **MATSim program code** in this repository is distributed under the terms of the [GNU General Public License as published by the Free Software Foundation (version 2)](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html). The MATSim program code are files that reside in the `src` directory hierarchy and typically end with `*.java`.
-The **MATSim input files, output files, analysis data and visualizations** are licensed under a Creative Commons Attribution 4.0 International License.
- MATSim input files are those that are used as input to run MATSim. They often, but not always, have a header pointing to matsim.org. They typically reside in the `scenarios` directory hierarchy. MATSim output files, analysis data, and visualizations are files generated by MATSim runs, or by postprocessing. They typically reside in a directory hierarchy starting with `output`.
+The **MATSim input population** is licensed under the Creative Commons Attribution CC-BY-NC 3.0 DE License and was provided in its initial version by Senozon Deutschland GmbH.
+The **MATSim output files, analysis data and visualizations** are licensed under a Creative Commons Attribution 4.0 International License.
+ MATSim input files are those that are used as input to run MATSim. They often, but not always, have a header pointing to matsim.org. They typically reside in the `scenarios` directory hierarchy. MATSim output files, analysis data, and visualizations are files generated by MATSim runs, or by postprocessing. They typically reside in a directory hierarchy starting with `output`.
[//]: # (**Other data files**, in particular in `original-input-data`, have their own individual licenses that need to be individually clarified with the copyright holders.)