diff --git a/xperable.c b/xperable.c
index 7738cc7..94cfca1 100644
--- a/xperable.c
+++ b/xperable.c
@@ -196,7 +196,9 @@ static int test1(struct fbusb *dev, int size, int offset, const char *cmd)
         strcpy(txbuff, cmd);
     else
         snprintf(txbuff, 64, "download:%08x", size);
-
+    PNFO("[Device already unlocked] message means the bootloader status is now changed\n");
+    PNFO("If you use [oem unlock Y] flag, the bootloader will be unlocked\n");
+    PNFO("If you use [oem unlock X] flag, the bootloader will be relocked\n");
     PNFO("Starting test1 size = 0x%08x, offset = 0x%08x, cmd = '%s'\n",
            size, offset, txbuff);