diff --git a/system/spi/spi_main.c b/system/spi/spi_main.c
index 63aa45d62..b9a698142 100644
--- a/system/spi/spi_main.c
+++ b/system/spi/spi_main.c
@@ -55,7 +55,7 @@ static const struct cmdmap_s g_spicmds[] =
 {
   { "?",    spicmd_help,  "Show help     ",  NULL },
   { "bus",  spicmd_bus,   "List buses    ",  NULL },
-  { "exch",  spicmd_exch, "SPI Exchange  ", "[OPTIONS] [<hex senddata>]" },
+  { "exch", spicmd_exch,  "SPI Exchange  ", "[OPTIONS] [<hex senddata>]" },
   { "help", spicmd_help,  "Show help     ", NULL },
   { NULL,   NULL,         NULL,             NULL }
 };