--- ray/src/util/trad.hlp	1995/09/28 14:11:45	2.15
+++ ray/src/util/trad.hlp	1995/10/05 13:03:04	2.16
@@ -1,4 +1,4 @@
-	$Id: trad.hlp,v 2.15 1995/09/28 14:11:45 greg Exp $
+	$Id: trad.hlp,v 2.16 1995/10/05 13:03:04 greg Exp $
 
 This help file is associated with the trad interface to the Radiance
 rad(1) program.  Trad consists of trad.wsh and one do_*.tcl file for
@@ -490,7 +490,7 @@ tot_flux is given in watts.
 (Divide total lumens by 179 lumens/watt to get watts.)
 
 The exposure value may either be given as a positive real value, or
-as a real value preceeded by a '+' or '-' indicating a positive or
+as a real value preceded by a '+' or '-' indicating a positive or
 negative number of f-stops (powers of two) from the original value.
 
 If no exposure is given, pfilt will automatically compute the
@@ -707,7 +707,7 @@ The standard view up vector may be set to the positive
 the positive Y axis (+Y), the positive Z axis (+Z), the negative
 X axis (-X), the negative Y axis (-Y), or the negative Z axis (-Z).
 
-This setting may always be overriden by the "-vu xd yd zd" option,
+This setting may always be overridden by the "-vu xd yd zd" option,
 and will be altered for a particular view if it happens to be
 parallel to the view direction.
 
