Clarify libev plugin intiialization
Tested-by: Mark Nunberg
@@ -48,11 +48,12 @@ extern "C" {
* Create an instance of an event handler that utilize libev for
* event notification.
*
- * @param version the API version to use
+ * @param version Set this to 0. This may be used in the future to allow
+ * variation on the third argument (`void*` currently).
+ * @param[out] io a pointer to a newly created and initialized event handler
* @param loop the event loop (struct ev_loop *) to hook use (please
* note that you shouldn't reference the event loop from
* multiple threads)
- * @param io a pointer to a newly created and initialized event handler
* @return status of the operation
*/
LIBCOUCHBASE_API
