doc: shorten overlong title underlines
Title underlines should match the length of the title. Unfortunately
docutils only catches underlines that are too short.
Add some missing empty lines after titles.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/doc/board/ti/j721s2_evm.rst b/doc/board/ti/j721s2_evm.rst
index fec2aca..5fbe608 100644
--- a/doc/board/ti/j721s2_evm.rst
+++ b/doc/board/ti/j721s2_evm.rst
@@ -6,6 +6,7 @@
Introduction:
-------------
+
The J721S2 family of SoCs are part of K3 Multicore SoC architecture platform
targeting automotive applications. They are designed as a low power, high
performance and highly integrated device architecture, adding significant
@@ -38,6 +39,7 @@
Boot Flow:
----------
+
Below is the pictorial representation of boot flow:
.. image:: img/boot_diagram_k3_current.svg
@@ -60,6 +62,7 @@
Build procedure:
----------------
+
0. Setup the environment variables:
.. include:: k3.rst
@@ -120,7 +123,8 @@
.. j721s2_evm_rst_include_end_build_steps
Target Images
---------------
+-------------
+
In order to boot we need tiboot3.bin, tispl.bin and u-boot.img. Each SoC
variant (GP, HS-FS, HS-SE) requires a different source for these files.