diff --git a/bin/mesh-speedtest b/bin/mesh-speedtest
index 7b4295a..60dc183 100755
--- a/bin/mesh-speedtest
+++ b/bin/mesh-speedtest
@@ -11,6 +11,9 @@
 #   mesh-speedtest -s 256           # use 256 MiB chunks (slower, more stable)
 #   mesh-speedtest -u               # upload (push to each peer) instead
 #   mesh-speedtest -p plum,black    # restrict to specific peers
+#   mesh-speedtest --media          # pull from a real media file on black
+#                                   #   (validates disk-read + wg path; answers
+#                                   #    "can I stream from big disc right now?")
 #
 # Peers are the wg1 mesh: apricot, black, plum, quinn-vps. Self is skipped.