diff --git a/docs/design/Makefile.am b/docs/design/Makefile.am
index 7bd174632a..94dece6d3e 100644
--- a/docs/design/Makefile.am
+++ b/docs/design/Makefile.am
@@ -4,8 +4,14 @@ SUBDIRS =
 EXTRA_DIST = \
 	design-audiosinks.txt      \
 	design-decodebin.txt       \
-	design-encoding.txt       \
+	design-encoding.txt        \
 	design-orc-integration.txt \
+	draft-hw-acceleration.txt  \
 	draft-keyframe-force.txt   \
+	draft-subtitle-overlays.txt\
 	draft-va.txt               \
+	part-interlaced-video.txt  \
+	part-mediatype-audio-raw.txt\
+	part-mediatype-text-raw.txt\
+	part-mediatype-video-raw.txt\
 	part-playbin.txt