WARNING: undefined label: lua_spa_pod

> meson -Ddoc=enabled build/
wireplumber 0.4.9
  For documentation
    Python 3 Sphinx related modules: YES
    Doxygen                        : YES
    sphinx-build                   : YES
> meson compile -C build
ninja: Entering directory `/home/gorn/Desktop/git/wireplumber/build'
[1/1] Generating docs/doc with a custom command
/home/gorn/Desktop/git/wireplumber/docs/rst/lua_api/lua_proxies_api.rst:33: WARNING: undefined label: lua_spa_pod