From 74580f7f9da097990290def70ddeef64c4709a8c Mon Sep 17 00:00:00 2001
From: Christian Beer <christian.beer@aei.mpg.de>
Date: Thu, 16 Jun 2016 10:35:31 +0200
Subject: [PATCH] Projects: update URL of Collatz Conjecture

---
 doc/projects.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/projects.inc b/doc/projects.inc
index 4c55517532..07daa542c9 100644
--- a/doc/projects.inc
+++ b/doc/projects.inc
@@ -597,7 +597,7 @@ $math = array(
         ),
         array(
             "Collatz Conjecture",
-            "http://boinc.thesonntags.com/collatz/",
+            "https://boinc.thesonntags.com/collatz/",
             tra("Private"),
             tra("Mathematics"),
             tra("Study the Collatz Conjecture, an unsolved conjecture in mathematics"),