--- ray/doc/man/man1/rcollate.1	2013/09/06 21:34:38	1.3
+++ ray/doc/man/man1/rcollate.1	2013/09/18 21:24:36	1.4
@@ -1,4 +1,4 @@
-.\" RCSid "$Id: rcollate.1,v 1.3 2013/09/06 21:34:38 greg Exp $"
+.\" RCSid "$Id: rcollate.1,v 1.4 2013/09/18 21:24:36 greg Exp $"
 .TH RCOLLATE 1 7/8/97 RADIANCE
 .SH NAME
 rcollate - resize or transpose matrix data
@@ -88,7 +88,7 @@ For large transpose operations on Unix systems, it is 
 to specify the input file on the command line, rather than reading
 from the standard input, since
 .I rcollate
-can map the file directly into memory.
+can map the file directly into virtual memory.
 .SH EXAMPLE
 To change put 8760 color triplets per row in a matrix with no header:
 .IP "" .2i