kbuild: correct formatting of header in kbuild module docs

Minor formatting fixup.

Fixes: cd238effefa2 ("docs: kbuild: convert docs to ReST and rename to *.rst")
Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst
index d2ae799..33a1712 100644 (file)
--- a/Documentation/kbuild/modules.rst
+++ b/Documentation/kbuild/modules.rst
@@ -498,7 +498,8 @@ build.
        will be written containing all exported symbols that were not
        defined in the kernel.
 
---- 6.3 Symbols From Another External Module
+6.3 Symbols From Another External Module
+----------------------------------------
 
        Sometimes, an external module uses exported symbols from
        another external module. kbuild needs to have full knowledge of