diff --git a/src/disk/hdc_xta.c b/src/disk/hdc_xta.c
index 0b95a6a35..426be9a67 100644
--- a/src/disk/hdc_xta.c
+++ b/src/disk/hdc_xta.c
@@ -1387,7 +1387,7 @@ static const device_config_t st50x_config[] = {
     // clang-format off
     {
         .name           = "bios_addr",
-        .description    = "BIOS Address",
+        .description    = "BIOS address",
         .type           = CONFIG_HEX20,
         .default_string = NULL,
         .default_int    = 0xc8000,