diff --git a/doc/changes.qbk b/doc/changes.qbk
index 7444c69b..1e1c77af 100644
--- a/doc/changes.qbk
+++ b/doc/changes.qbk
@@ -278,6 +278,9 @@ C++11 support has resulted in some breaking changes:
   for `unordered_multiset` and `unordered_multimap`. Might be a little slower.
 * Stop using return value SFINAE which some older compilers have issues
   with.
+
+[h2 Boost 1.63.0]
+
 * Check hint iterator in `insert`/`emplace_hint`.
 
 [endsect]