--- loncom/html/adm/help/tex/Formula_Response_Sampling.tex	2005/02/18 20:30:52	1.3
+++ loncom/html/adm/help/tex/Formula_Response_Sampling.tex	2006/04/22 20:57:34	1.4
@@ -38,9 +38,9 @@ a bad idea, as the student could get luc
 \item {}``x@1:5\#4;10'' will takes 4 samples from somewhere between 1 and 5,
 and also sample at 10.
 \end{itemize}
-For $2x^{2}+3y^{3}$, which has two variables, one could specify:
+For $2x^{2}+3y^{3}+z$, which has three variables, one could specify:
 
 \begin{itemize}
-\item {}``x,y@4,5:10,12\#4;0,0'', which take four samples from the box determined
-by the points (4, 5) and (10, 12), and also sample the point (0, 0).
+\item {}``x,y,z@4,5,3:10,12,8\#4;0,0,0'', which take four samples from the box determined
+by the points (4, 5, 3) and (10, 12, 8), and also sample the point (0, 0, 0).
 \end{itemize}