diff --git a/Documentation/doc/General.txt b/Documentation/doc/General.txt
index 3d8aa0671cf..4530f543611 100644
--- a/Documentation/doc/General.txt
+++ b/Documentation/doc/General.txt
@@ -23,6 +23,11 @@ class BidirectionalIterator {};
 class RandomAccessContainer {};
 class BackInsertionSequence {};
 
+/*!
+See http://www.boost.org/libs/property_map/doc/LvaluePropertyMap.html
+*/
+class LvaluePropertyMap {};
+
 /*!
 This specifies that the actual type exposed through a `typedef` is
 implementation specific. It can only be treated through the concepts