diff --git a/tests/src/drivers/test_driver_rsa.c b/tests/src/drivers/test_driver_rsa.c
index b0d9f4491..234613e46 100644
--- a/tests/src/drivers/test_driver_rsa.c
+++ b/tests/src/drivers/test_driver_rsa.c
@@ -116,7 +116,7 @@ psa_status_t mbedtls_test_transparent_asymmetric_decrypt(
 }
 
 /*
- * opaque versions, to do
+ * opaque versions - TODO
  */
 psa_status_t mbedtls_test_opaque_asymmetric_encrypt(
     const psa_key_attributes_t *attributes, const uint8_t *key,