1 files changed, 3 insertions, 1 deletions
diff --git a/petsc.sh b/petsc.sh
index 21846bb..00f39b4 100755
--- a/petsc.sh
+++ b/petsc.sh
@@ -61,7 +61,9 @@ if [ -z "$PETSC_DIR" ]; then
   CCTK_Search PETSC_DIR '/usr /usr/local /usr/local/petsc /usr/local/packages/petsc /usr/local/apps/petsc' include/petsc.h
   if [ -z "$PETSC_DIR" ] ; then
      echo "BEGIN ERROR"
-     echo 'Unable to locate the PETSc directory - please set PETSC_DIR'
+     echo 'Thorn PETSc requires an external installation of the PETSc ' \
+          'library.  Please set PETSC_DIR to the directory of this ' \
+	  'installation or remove PETSc from your configuration ThornList.'
      echo "END ERROR"
      exit 2
   fi