--- manual/s_algorithm/text/spatial-discrete.tex	2010/08/30 23:09:19	1.24
+++ manual/s_algorithm/text/spatial-discrete.tex	2017/06/14 21:05:01	1.25
@@ -1,4 +1,4 @@
-% $Header: /home/ubuntu/mnt/e9_copy/manual/s_algorithm/text/spatial-discrete.tex,v 1.24 2010/08/30 23:09:19 jmc Exp $
+% $Header: /home/ubuntu/mnt/e9_copy/manual/s_algorithm/text/spatial-discrete.tex,v 1.25 2017/06/14 21:05:01 jmc Exp $
 % $Name:  $
 
 \section{Spatial discretization of the dynamical equations}
@@ -167,7 +167,7 @@
 computational grid using geographic terminology such as points of the
 compass.
 \marginpar{Caution!}
-This is purely for convenience but should note be confused
+This is purely for convenience but should not be confused
 with the actual geographic orientation of model quantities.
 
 Fig.~\ref{fig:hgrid}a shows the tracer cell (synonymous with the
@@ -194,7 +194,7 @@
 cell centers and the ``$\zeta$'' suffix associates points with the
 vorticity points. The quantities are staggered in space and the
 indexing is such that {\bf DXc(i,j)} is positioned to the north of
-{\bf rAc(i,j)} and {\bf DYc(i,j)} positioned to the east.
+{\bf rAz(i,j)} and {\bf DYc(i,j)} positioned to the east.
 
 Fig.~\ref{fig:hgrid}c shows the ``u'' or western (w) cell. The length of
 the southern edge, $\Delta x_v$, eastern edge, $\Delta y_f$ and