diff --git a/ecmascript-testcases/test-bi-proxy-subset.js b/ecmascript-testcases/test-bi-proxy-subset.js
index 579b1be8..5fd840fd 100644
--- a/ecmascript-testcases/test-bi-proxy-subset.js
+++ b/ecmascript-testcases/test-bi-proxy-subset.js
@@ -1,5 +1,5 @@
 /*
- *  Proxy (ES6 draft) subset
+ *  Proxy (ES6 draft) 'get', 'set', and 'deleteProperty' traps
  */
 
 /*===