Update CodeSearch link in docs/index.rst Co-authored-by: Tim Ansell <me@mith.ro>

diff --git a/docs/index.rst b/docs/index.rst
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--- a/docs/index.rst
+++ b/docs/index.rst

@@ -52,7 +52,7 @@
 The latest SkyWater SKY130 PDK design resources can be downloaded from the following repositories:
 
 * `On Github @ google/skywater-pdk <https://github.com/google/skywater-pdk>`_
-* `cs.opensource.google/skywater-pdk <https://cs.opensource.google/skywater-pdk>`_
+* `Google CodeSearch interface @ https://cs.opensource.google/skywater-pdk <https://cs.opensource.google/skywater-pdk>`_
 * `foss-eda-tools.googlesource.com/skywater-pdk <https://foss-eda-tools.googlesource.com/skywater-pdk/>`_
 
 Indices and tables