--- ray/doc/ray.html	2011/07/15 17:45:46	1.15
+++ ray/doc/ray.html	2011/07/15 17:47:33	1.16
@@ -1898,7 +1898,7 @@ Ecole  Polytechnique  Federale de Lausanne (EPFL Unive
 <ul>
     <li>Ward, G., R. Mistrick, E.S. Lee, A. McNeil, J. Jonsson,
 	&quot;Simulating the Daylight Performance of Complex Fenestration Systems
-	Using Bidirectional Scattering Distribution Functions within Radiance&quot;
+	Using Bidirectional Scattering Distribution Functions within Radiance,&quot;
 	<em>Journal of the Illuminating Engineering Soc. of North America</em>,
 	April 2011.
     <li>Cater, Kirsten, Alan Chalmers, Greg Ward,