--- Coro/Changes	2007/12/27 21:48:27	1.309
+++ Coro/Changes	2007/12/27 21:52:21	1.310
@@ -9,7 +9,7 @@
 	- "bt" debug command now displays any exceptions
           from longmess.
 	- allow backtraces in coroutines blocked in Coro::EV,
-          at a speed hit.
+          at a <1% speed hit.
 
 4.34 Sat Dec 22 17:49:53 CET 2007
 	- upgrade to EV version 2.0 API.