--- ray/src/cv/mgflib/mgfdoc.tr	1995/08/28 16:45:59	1.6
+++ ray/src/cv/mgflib/mgfdoc.tr	1995/09/20 10:07:10	1.7
@@ -2388,7 +2388,7 @@ ring - create a circular ring with inner and outer rad
 .SH
 SYNOPSIS
 .LP
-.B cyl
+.B ring
 .I "vc rmin rmax"
 .SH
 DESCRIPTION