diff --git a/tests/configs/user-config-malloc-0-null.h b/tests/configs/user-config-malloc-0-null.h
index fada9ee..c1a1214 100644
--- a/tests/configs/user-config-malloc-0-null.h
+++ b/tests/configs/user-config-malloc-0-null.h
@@ -1,4 +1,4 @@
-/* mbedtls_config.h modifier that forces calloc(0) to return NULL.
+/* crypto_config.h modifier that forces calloc(0) to return NULL.
  * Used for testing.
  */
 /*