Index: thread_ref.qbk
===================================================================
--- thread_ref.qbk	(revision 66775)
+++ thread_ref.qbk	(working copy)
@@ -675,7 +675,7 @@
 
 [endsect]
 
-[section:less_than_or_equal `operator>=`]
+[section:less_than_or_equal `operator<=`]
 
     bool operator<=(const id& y) const;