diff --git a/doc/range.html b/doc/range.html
index 1b4a994..704b68a 100755
--- a/doc/range.html
+++ b/doc/range.html
@@ -45,7 +45,7 @@
     <p>
     A Range is a <i>concept</i> similar to the STL <a
                href="http://www.sgi.com/Technology/STL/Container.html">Container</a> concept. A 
-               Range provides iterators for accessing a closed-open range 
+               Range provides iterators for accessing a half-open range
 <code>[first,one_past_last)</code> of elements and provides
                information about the number of elements in the Range.  However, a Range has 
                fewer requirements than a Container.