diff --git a/test/create_read_window_v2.c b/test/create_read_window_v2.c
index 930f50f..34d6727 100644
--- a/test/create_read_window_v2.c
+++ b/test/create_read_window_v2.c
@@ -69,6 +69,7 @@
 	rc = mbox_cmp(ctx, response, sizeof(response));
 	assert(rc == 0);
 
+	/* Compare the reserved memory to the flash */
 	rc = memcmp(ctx->mem, data, sizeof(data));
 	assert(rc == 0);