diff --git a/doc/xml/multi_array.xml b/doc/xml/multi_array.xml
index ffe607d..db42882 100644
--- a/doc/xml/multi_array.xml
+++ b/doc/xml/multi_array.xml
@@ -51,7 +51,7 @@ public:
   typedef multi_array_types::extent_gen         extent_gen;
   typedef multi_array_types::extent_range       extent_range;
   typedef *unspecified*                         storage_order_type;
-  
+
 
   // template typedefs
   template <std::size_t Dims> struct            subarray;
@@ -60,6 +60,9 @@ public:
   template <std::size_t Dims> struct            const_array_view;
   
 
+  static const std::size_t dimensionality = NumDims;
+  
+
   // constructors and destructors
 
   multi_array();