--- ray/doc/ray.1	2011/06/21 23:58:00	1.20
+++ ray/doc/ray.1	2011/06/22 00:13:25	1.21
@@ -899,9 +899,7 @@ a parallel BSDF surface may be
 placed slightly less than the given thickness away from the front surface
 to enclose the complex geometry on both sides.
 The sign of the thickness is important, as it indicates whether the
-proxied geometry is behind the.
-.I BSDF
-surface (when thickness is positive)
+proxied geometry is behind the BSDF surface (when thickness is positive)
 or in front (when thickness is negative).
 .LP
 The second string argument is the name of the BSDF file, which is