mtd: Fix typo mtd/tests

Correct spelling typo in printk within drivers/mtd/tests.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/drivers/mtd/tests/mtd_subpagetest.c b/drivers/mtd/tests/mtd_subpagetest.c
index 8813b0e..c880c22 100644
--- a/drivers/mtd/tests/mtd_subpagetest.c
+++ b/drivers/mtd/tests/mtd_subpagetest.c
@@ -377,7 +377,7 @@
 	printk(KERN_INFO "=================================================\n");
 
 	if (dev < 0) {
-		pr_info("Please specify a valid mtd-device via module paramter\n");
+		pr_info("Please specify a valid mtd-device via module parameter\n");
 		pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n");
 		return -EINVAL;
 	}