Fixed section reference.
@@ -111,7 +111,7 @@ allows one to use global indices when implementing the model and thus
separate the model from the parallelization scheme. Also, note that {\petsc}
functions used here replace private functions \id{rescomm}, \id{reslocal},
\id{BSend}, \id{BRecvPost}, \id{BRecvWait} and \id{InitUserData} from the
-\id{idaHeat2D\_kry\_p} example in Section \ref{ss:idaHeat2D_kry_p}, and
+\id{idaHeat2D\_kry\_p} example in Section \ref{ss:idaHeat2D_p}, and
therefore simplify the implementation.
