3 files changed, 4 insertions, 4 deletions

diff --git a/src/nsxwidget.h b/src/nsxwidget.h
index 3d91594c341..dcdb26cb34c 100644
--- a/src/nsxwidget.h
+++ b/src/nsxwidget.h
@@ -15,7 +15,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #ifndef NSXWIDGET_H_INCLUDED
 #define NSXWIDGET_H_INCLUDED
diff --git a/src/nsxwidget.m b/src/nsxwidget.m
index 3c6402c03ff..dbd4cb29a62 100644
--- a/src/nsxwidget.m
+++ b/src/nsxwidget.m
@@ -15,7 +15,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/src/w32heap.c b/src/w32heap.c
index ba3550b6e9b..a72bed62caf 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -191,7 +191,7 @@ free_fn the_free_fn;
 
 /* It doesn't seem to be useful to allocate from a file mapping.
    It would be if the memory was shared.
-     http://stackoverflow.com/questions/307060/what-is-the-purpose-of-allocating-pages-in-the-pagefile-with-createfilemapping  */
+     https://stackoverflow.com/questions/307060/what-is-the-purpose-of-allocating-pages-in-the-pagefile-with-createfilemapping  */
 
 /* This is the function to commit memory when the heap allocator
    claims for new memory.  Before dumping with unexec, we allocate
@@ -246,7 +246,7 @@ init_heap (bool use_dynamic_heap)
          environment before starting GDB to get low fragmentation heap
          on XP and older systems, for the price of losing "certain
          heap debug options"; for the details see
-         http://msdn.microsoft.com/en-us/library/windows/desktop/aa366705%28v=vs.85%29.aspx.  */
+         https://msdn.microsoft.com/en-us/library/windows/desktop/aa366705%28v=vs.85%29.aspx.  */
       data_region_end = data_region_base;
 
       /* Create the private heap.  */