diff --git a/doc/installation.rst b/doc/installation.rst
index c99e69bc..2d969b39 100644
--- a/doc/installation.rst
+++ b/doc/installation.rst
@@ -65,8 +65,8 @@ To download and extract it on the command line:
 
 .. code:: bash
 
-    projects/pypsa-eur-sec/data % wget "https://nworbmot.org/pypsa-eur-sec-data-bundle-190719.tar.gz"
-    projects/pypsa-eur-sec/data % tar xvzf pypsa-eur-sec-data-bundle-190719.tar.gz
+    projects/pypsa-eur-sec/data % wget "https://nworbmot.org/pypsa-eur-sec-data-bundle-200921.tar.gz"
+    projects/pypsa-eur-sec/data % tar xvzf pypsa-eur-sec-data-bundle-200921.tar.gz
 
 Set up the default configuration
 ================================
diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index 4c8fdf28..d02f79e0 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -74,3 +74,9 @@ Release Process
 * Make a `GitHub release <https://github.com/PyPSA/pypsa-eur-sec/releases>`_, which automatically triggers archiving by `zenodo <https://doi.org/10.5281/zenodo.3938042>`_.
 
 * Send announcement on the `PyPSA mailing list <https://groups.google.com/forum/#!forum/pypsa>`_.
+
+To make a new release of the data bundle, do:
+
+.. code:: bash
+
+    data % tar pczf pypsa-eur-sec-data-bundle-date.tar.gz eea switzerland-sfoe biomass eurostat-energy_balances-* jrc-idees-2015 emobility urban_percent.csv timezone_mappings.csv heat_load_profile_DK_AdamJensen.csv WindWaveWEC_GLTB.xlsx myb1-2017-nitro.xls