1 files changed, 1 insertions, 1 deletions
diff --git a/lib/mpi.h b/lib/mpi.h
index e26dff5024..d896ae5e72 100644
--- a/lib/mpi.h
+++ b/lib/mpi.h
@@ -16,7 +16,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
  *
  */