diff --git a/wrenchboard/build/wrenchboard_api.cc b/wrenchboard/build/wrenchboard_api.cc
index 8598d525..ac0f95e5 100644
--- a/wrenchboard/build/wrenchboard_api.cc
+++ b/wrenchboard/build/wrenchboard_api.cc
@@ -77,6 +77,7 @@ PHP_METHOD(WrenchBoard, wrenchboard_api)
         // Bad parameters
 	    RETURN_NULL();
     } */
+    // https://wiki.php.net/rfc/fast_zpp
     ZEND_PARSE_PARAMETERS_START(2, 2)
         Z_PARAM_ARRAY_EX(param, 0, 1)
         Z_PARAM_ARRAY_EX(param_out, 0, 1)