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-rw-r--r--docs/source/grids.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/source/grids.rst b/docs/source/grids.rst
index b8ed98f6..96830489 100644
--- a/docs/source/grids.rst
+++ b/docs/source/grids.rst
@@ -25,7 +25,7 @@ Background in ticket `#145 <https://github.com/OSGeo/proj.4/issues/145>`__
We basically have two shift grids available. An official here:
-`Swiss CHENyx06 dataset in NTv2 format <http://www.swisstopo.admin.ch/internet/swisstopo/en/home/topics/survey/lv03-lv95/chenyx06/distortion_grids.html>`__
+`Swiss CHENyx06 dataset in NTv2 format <https://shop.swisstopo.admin.ch/en/products/geo_software/GIS_info>`__
And a derived in a temporary location which is probably going to disappear soon.