diff --git a/doc/container.qbk b/doc/container.qbk
index 5fa5298..dca6092 100644
--- a/doc/container.qbk
+++ b/doc/container.qbk
@@ -1014,6 +1014,12 @@ use [*Boost.Container]? There are several reasons for that:
 
 [section:release_notes Release Notes]
 
+[section:release_notes_boost_1_57_00 Boost 1.57 Release]
+*  Fixed bugs:
+   * [@https://svn.boost.org/trac/boost/ticket/10263 Trac #10263 (['"AIX 6.1 bug with sched_yield() function out of scope"])].
+
+[endsect]
+
 [section:release_notes_boost_1_56_00 Boost 1.56 Release]
 
 * Added DlMalloc-based [link container.extended_functionality.extended_allocators Extended Allocators].