diff --git a/doc/running.rst b/doc/running.rst
index 39572474e..42486d126 100644
--- a/doc/running.rst
+++ b/doc/running.rst
@@ -23,6 +23,12 @@ Currently, the following code generators are supported:
      :height: 40px
      :target: #python-standalone-target
 
+.. warning::
+
+   To ensure correct and reproducible results, always inspect the generated code by hand. Run comprehensive numerical testing of the model(s).
+
+   In case of doubt, please create a GitHub Issue (https://github.com/nest/nestml/issues) or write in on the NEST mailing list (<https://nest-simulator.readthedocs.io/en/latest/developer_space/guidelines/mailing_list_guidelines.html#mail-guidelines>`_).
+
 
 Running NESTML from Python
 --------------------------