--- a/src/bw_mem.c
+++ b/src/bw_mem.c
@@ -65,7 +65,7 @@ main(int ac, char **av)
 	size_t	nbytes;
 	state_t	state;
 	int	c;
-	char	*usage = "[-P <parallelism>] [-W <warmup>] [-N <repetitions>] <size> what [conflict]\nwhat: rd wr rdwr cp fwr frd fcp bzero bcopy\n<size> must be larger than 512";
+	char	*usage = "[-P <parallelism>] [-W <warmup>] [-N <repetitions>] <size> what [conflict]\nwhat: rd wr rdwr cp fwr frd fcp bzero bcopy\n<size> must be larger than 512\n";
 
 	state.overhead = 0;