Update doc

HanBnrd · HanBnrd · commit fec34a371e3f · 2023-08-18T17:11:02.000+01:00
diff --git a/docs/source/index.rst b/docs/source/index.rst
@@ -28,6 +28,11 @@ Features:
    example
 
 
+Acknowledgements
+================
+Until there is an article specifically on NIRSimple, please cite `this article <https://doi.org/10.3389/fnrgo.2023.994969>`_.
+
+
 Indices and tables
 ==================
 
