--- manual/s_examples/deep_convection/convection.tex	2004/10/16 03:40:13	1.5
+++ manual/s_examples/deep_convection/convection.tex	2006/04/08 01:50:50	1.6
@@ -287,7 +287,7 @@
 \end{verbatim}
 this line sets
 the initial and reference values of potential temperature at each model
-level in units of $^{\circ}$C. Here the value is arbitrary since, in this case, the 
+level in units of $^{\circ}\mathrm{C}$. Here the value is arbitrary since, in this case, the 
 flow evolves independently of the absolute magnitude of the reference temperature.
 For each depth level the initial and reference profiles will be uniform in
 $x$ and $y$. The values specified are read into the
