diff --git a/drivers/staging/otus/apdbg.c b/drivers/staging/otus/apdbg.c
index b59028e7e33c607ff4555b48a0b5aaa808d2df43..32c26e59baf729842d24abd9be7566e71d641451 100644
--- a/drivers/staging/otus/apdbg.c
+++ b/drivers/staging/otus/apdbg.c
@@ -180,7 +180,7 @@ int main(int argc, char **argv)
 	if (argc < 3) {
 		fprintf(stderr, "%s: usage is \"%s <ifname> <operation>"
 				"[<address>] [<value>]\"\n", prgname, prgname);
-		fprintf(stderr, "valid operation : read, write, mem, reg, \n");
+		fprintf(stderr, "valid operation : read, write, mem, reg,\n");
 		fprintf(stderr, "		: txd, rxd, rmem, wmem\n");
 		fprintf(stderr, "		: dmat, regt, test\n");