diff --git a/tests/unit/s2n_client_supported_groups_extension_test.c b/tests/unit/s2n_client_supported_groups_extension_test.c
index a50ef7783e9..58cbe1d9da9 100644
--- a/tests/unit/s2n_client_supported_groups_extension_test.c
+++ b/tests/unit/s2n_client_supported_groups_extension_test.c
@@ -264,8 +264,9 @@ int main()
                 DEFER_CLEANUP(struct s2n_config *config = s2n_config_new(),
                         s2n_config_ptr_free);
                 EXPECT_NOT_NULL(config);
-                /* Since these tests are directly setting security_policy_override, set a
-                 * s2n_config that doesn't support PQ but does support x25519 and TLS 1.3
+                /* These tests explicitly set security_policy_override to test ECC
+                 * selection logic and expect a s2n_config that does support x25519 and
+                 * TLS 1.3, but does not support PQ.
                  */
                 EXPECT_SUCCESS(s2n_config_set_cipher_preferences(config, "20240503"));