diff --git a/changelog.d/670.doc.rst b/changelog.d/670.doc.rst
new file mode 100644
index 0000000000000000000000000000000000000000..629860a30315a27e7ef2caadeda39a2c6ae799d7_Y2hhbmdlbG9nLmQvNjcwLmRvYy5yc3Q=
--- /dev/null
+++ b/changelog.d/670.doc.rst
@@ -0,0 +1,1 @@
+Corrected link syntax and updated URL to https for ISO year week number notation in relativedelta examples. (gh issue #670, pr #711)
diff --git a/docs/examples.rst b/docs/examples.rst
index 42bed07ada5867f748b91b6817bcdde67bd0d34e_ZG9jcy9leGFtcGxlcy5yc3Q=..629860a30315a27e7ef2caadeda39a2c6ae799d7_ZG9jcy9leGFtcGxlcy5yc3Q= 100644
--- a/docs/examples.rst
+++ b/docs/examples.rst
@@ -138,7 +138,7 @@
     datetime.date(2003, 9, 24)
 
 Following
-[http://www.cl.cam.ac.uk/~mgk25/iso-time.html ISO year week number notation]
+`ISO year week number notation <https://www.cl.cam.ac.uk/~mgk25/iso-time.html>`_
 find the first day of the 15th week of 1997.
 
 .. doctest:: relativedelta
diff --git a/docs/relativedelta.rst b/docs/relativedelta.rst
index 42bed07ada5867f748b91b6817bcdde67bd0d34e_ZG9jcy9yZWxhdGl2ZWRlbHRhLnJzdA==..629860a30315a27e7ef2caadeda39a2c6ae799d7_ZG9jcy9yZWxhdGl2ZWRlbHRhLnJzdA== 100644
--- a/docs/relativedelta.rst
+++ b/docs/relativedelta.rst
@@ -140,7 +140,7 @@
     datetime.date(2003, 9, 24)
 
 Following
-[http://www.cl.cam.ac.uk/~mgk25/iso-time.html ISO year week number notation]
+`ISO year week number notation <https://www.cl.cam.ac.uk/~mgk25/iso-time.html>`_
 find the first day of the 15th week of 1997.
 
 .. doctest:: relativedelta