--- a/man/man1/ltpict.1	Tue Apr 08 22:56:10 2014 +0100
+++ b/man/man1/ltpict.1	Tue Apr 08 22:56:34 2014 +0100
@@ -1,6 +1,6 @@
-.TH "LTPICT" "1" "11/03/14" "RADIANCE" ""
+.TH "LTPICT" "1" "08/04/14" "RADIANCE" ""
 .SH "NAME"
-ltpict \- render a four\-view image of light source
+ltpict \- render a four\-view image of a light source
 .SH "SYNOPSIS"
 .B ltpict
 [
@@ -18,12 +18,12 @@
 an IES photometry file rather then a Radiance description of a 
 luminiare.  In this case, Radiance's
 .I ies2rad(1)
-is called with its default settings to convert the IES file into a 
+is called with its default settings to convert the IES file to a 
 Radiance object.
 .PP 
 The four projections presented are the lower hemisphere
 (displayed in the upper left quadrant), the upper hemisphere
-(upper right), at the C0\-C180 plane (lower left) and at the
+(upper right), the C0\-C180 plane (lower left) and the
 C90\-C270 plane (lower right).
 .PP 
 Only one Radiance luminaire description or IES photometry file
@@ -33,7 +33,7 @@
 the default dimensions of 1024 by 1024 pixels.  The dimensions
 may be overwritten with the 
 .I "\-d dimensions
-options which takes an integer that is divisible by two.
+option which takes an integer that is divisible by two.
 .SH "EXAMPLES"
 To render a four\-view image of photometry file ABC123.ies
 and save the result to luminaire.hdr

--- a/man/man1/ltview.1	Tue Apr 08 22:56:10 2014 +0100
+++ b/man/man1/ltview.1	Tue Apr 08 22:56:34 2014 +0100
@@ -1,13 +1,13 @@
 .\" 
-.TH "LTVIEW" "1" "11/03/14" "RADIANCE" ""
+.TH "LTVIEW" "1" "08/04/14" "RADIANCE" ""
 .SH "NAME"
-ltview \- view a light source
+ltview \- view photometry of a light source
 .SH "SYNOPSIS"
 .B ltview
 [
 .B \-i
 ][
-.B "\-r roomsize"
+.B "\-b boxsize"
 ][
 .B "\-o output device"
 ]
@@ -41,7 +41,9 @@
 .I ltview
 relies on Radiance's
 .I rad(1)
-command to compile an octree and to call
+command to compile an octree using 
+.I oconv(1)
+and to call
 .I rvu(1)
 to display an interactive preview of the luminaire.
 The default behaviour for
@@ -50,7 +52,7 @@
 .I ies2rad(1)
 so that the largest dimension of the fitting is unity, centered at the origin.
 This scaled representation of the original fitting is then placed inside a 
-square box 10 units in size.  The \-y face of the box is left open so that 
+square box 10 units in length.  The \-y face of the box is left open so that 
 the camera can look inside, facing +y.
 If it is desirable to keep the original luminaire in both its original size,
 and its original location, the
@@ -91,7 +93,7 @@
 .IP "" .2i
 ltview \-o qt ABC123.ies
 .PP 
-To look at a typical T5 fluorescent fitting that is modelled in millimeters
+To look at a typical fluorescent fitting that is modelled in millimeters
 .IP "" .2i
 ltview \-r 5000 XYZ_batten.rad
 .SH "AUTHOR"