Two syntax errors in R-E-A procedure description

Author: albertobottopoala

advection/advection-higherorder.tex

@@ -425,9 +425,9 @@ \subsection{Reconstruct-evolve-average}
  &=& a_{i} - \frac{1}{2} \Delta a_{i} \cfl
 \end{eqnarray}
 
-The final part of the R-E-A procedure is to average the over the 
+The final part of the R-E-A procedure is to average over the 
 advected profiles in the new cell.  The weighted average of the
-amount brought in from the left of the interface and that that remains
+amount brought in from the left of the interface and that remains
 in the cell is
 \begin{align}
 a_i^{n+1} &= \cfl \mathcal{I}_< + (1 - \cfl) \mathcal{I}_>  \\