[api] Minor improvement to documentation for kNonMasking.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 9c45c1099185f8952851bd2031a2a9da076670ca..96567edf20b219bc93f8704c85cb54901bef8834 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -4992,20 +4992,19 @@ class V8_EXPORT FunctionTemplate : public Template {
   friend class ObjectTemplate;
 };
 
-
 enum class PropertyHandlerFlags {
   kNone = 0,
   // See ALL_CAN_READ above.
   kAllCanRead = 1,
   // Will not call into interceptor for properties on the receiver or prototype
-  // chain.  Currently only valid for named interceptors.
+  // chain, i.e., only call into interceptor for properties that do not exist.
+  // Currently only valid for named interceptors.
   kNonMasking = 1 << 1,
   // Will not call into interceptor for symbol lookup.  Only meaningful for
   // named interceptors.
   kOnlyInterceptStrings = 1 << 2,
 };
 
-
 struct NamedPropertyHandlerConfiguration {
   NamedPropertyHandlerConfiguration(
       /** Note: getter is required **/