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-rw-r--r--sys/src/games/md/md.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/games/md/md.c b/sys/src/games/md/md.c
index 0a53e414c..93f95595c 100644
--- a/sys/src/games/md/md.c
+++ b/sys/src/games/md/md.c
@@ -198,7 +198,7 @@ threadmain(int argc, char **argv)
} ARGEND;
if(argc != 1){
- fprint(2, "usage: %s rom", argv0);
+ fprint(2, "usage: %s [-23a] rom\n", argv0);
threadexitsall("usage");
}
loadrom(*argv);