diff --git a/src/rp2_common/pico_unique_id/unique_id.c b/src/rp2_common/pico_unique_id/unique_id.c
index 56d4fd3..dd2f96d 100644
--- a/src/rp2_common/pico_unique_id/unique_id.c
+++ b/src/rp2_common/pico_unique_id/unique_id.c
@@ -7,7 +7,7 @@
 #include "hardware/flash.h"
 #include "pico/unique_id.h"
 
-static_assert(PICO_UNIQUE_BOARD_ID_SIZE_BYTES == FLASH_UNIQUE_ID_SIZE_BYTES, "Board ID size must match flash ID");
+static_assert(PICO_UNIQUE_BOARD_ID_SIZE_BYTES == FLASH_UNIQUE_ID_SIZE_BYTES, "Board ID size must match flash ID size");
 
 static pico_unique_board_id_t retrieved_id;