Update runtime files
diff --git a/runtime/tutor/tutor.el.cp737 b/runtime/tutor/tutor.el.cp737
index 6dd173d..6483344 100644
--- a/runtime/tutor/tutor.el.cp737
+++ b/runtime/tutor/tutor.el.cp737
@@ -796,7 +796,7 @@
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- å« «¤ http://iccf-holland.org/click5.html
+ å« «¤ https://iccf-holland.org/click5.html
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