Update Idle's online doc url.
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index 6ed2f2c..cc33baf 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -153,7 +153,7 @@
                     # Safari requires real file:-URLs
                     EditorWindow.help_url = 'file://' + EditorWindow.help_url
             else:
-                EditorWindow.help_url = "http://docs.python.org/%d.%d" % sys.version_info[:2]
+                EditorWindow.help_url = "https://docs.python.org/%d.%d/" % sys.version_info[:2]
         currentTheme=idleConf.CurrentTheme()
         self.flist = flist
         root = root or flist.root