Fix typo in bs_is_seq_ran option help

Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/options.c b/options.c
index 3a7c41a..918de8e 100644
--- a/options.c
+++ b/options.c
@@ -1811,7 +1811,7 @@
 		.lname	= "Block size division is seq/random (not read/write)",
 		.type	= FIO_OPT_BOOL,
 		.off1	= td_var_offset(bs_is_seq_rand),
-		.help	= "Consider any blocksize setting to be sequential,ramdom",
+		.help	= "Consider any blocksize setting to be sequential,random",
 		.def	= "0",
 		.parent = "blocksize",
 		.category = FIO_OPT_C_IO,