docs: Change levels of two headings.
Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
diff --git a/README.src.rst b/README.src.rst
index 43c1059..1cae234 100644
--- a/README.src.rst
+++ b/README.src.rst
@@ -41,7 +41,7 @@
See both the :ref:`Known Issues` section and the `SkyWater PDK GitHub issue list <https://github.com/google/skywater-pdk/issues>`_ to get more detailed information around currently known issues.
SKY130 Process Node
--------------------
+===================
The SKY130 is a mature 180nm-130nm hybrid technology originally developed internally by Cypress Semiconductor before being spun out into SkyWater Technology and made accessible to general industry. SkyWater and Google’s collaboration is now making this technology accessible to everyone!