1 files changed, 1 insertions, 1 deletions
diff --git a/lib/acl.h b/lib/acl.h
index b13370c591..d3b048022e 100644
--- a/lib/acl.h
+++ b/lib/acl.h
@@ -13,7 +13,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU 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/>.
 
    Written by Paul Eggert.  */