diff --git a/include/v8.h b/include/v8.h
index 71eb4ffc94..1a3177bb0d 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -1546,9 +1546,9 @@ enum AccessType {
 
 /**
  * Returns true if cross-context access should be allowed to the named
- * property with the given key on the global object.
+ * property with the given key on the host object.
  */
-typedef bool (*NamedSecurityCallback)(Local<Object> global,
+typedef bool (*NamedSecurityCallback)(Local<Object> host,
                                       Local<Value> key,
                                       AccessType type,
                                       Local<Value> data);
@@ -1556,9 +1556,9 @@ typedef bool (*NamedSecurityCallback)(Local<Object> global,
 
 /**
  * Returns true if cross-context access should be allowed to the indexed
- * property with the given index on the global object.
+ * property with the given index on the host object.
  */
-typedef bool (*IndexedSecurityCallback)(Local<Object> global,
+typedef bool (*IndexedSecurityCallback)(Local<Object> host,
                                         uint32_t index,
                                         AccessType type,
                                         Local<Value> data);