diff -r c1b80c8288bf -r a9f32316d828 doc/reference/protocols/facebook/meson.build
--- a/doc/reference/protocols/facebook/meson.build	Mon Oct 25 22:04:41 2021 -0500
+++ b/doc/reference/protocols/facebook/meson.build	Mon Oct 25 22:06:07 2021 -0500
@@ -21,8 +21,11 @@
 			'--output-dir=@OUTPUT@',
 			'--no-namespace-dir',
 			'--content-dir=@0@'.format(meson.current_source_dir()),
+			'--add-include-path=@0@'.format(meson.global_build_root() / 'subprojects/gplugin/gplugin'),
+			'--add-include-path=@0@'.format(meson.build_root() / 'libpurple'),
 			'@INPUT1@'
 		],
+		depends: [ libpurple_gir[0] ],
 		depend_files : [ facebook_doc_content_files ],
 		build_by_default : true,
 		install : true,