diff --git a/doc/changes.qbk b/doc/changes.qbk
index 506fe1fe..807bb27e 100644
--- a/doc/changes.qbk
+++ b/doc/changes.qbk
@@ -301,6 +301,6 @@ C++11 support has resulted in some breaking changes:
   They are removed in C++17.
 * Support 10 constructor arguments in emplace. It was meant to support up to 10
   arguments, but an off by one error in the preprocessor code meant it only
-  supports up to 10.
+  supported up to 9.
 
 [endsect]