[3.13] IDLE: fix url in config.py comment (pythonGH-119198) (python#1…

…19199)

IDLE: fix url in config.py comment (pythonGH-119198)
(cherry picked from commit 357f5a1)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

Lib/idlelib/config.py

@@ -159,7 +159,7 @@ def __init__(self, _utest=False):
         self.userCfg = {}
         self.cfg = {}  # TODO use to select userCfg vs defaultCfg
         # self.blink_off_time = <first editor text>['insertofftime']
-        # See https:/bugs.python.org/issue4630, msg356516.
+        # See https://bugs.python.org/issue4630#msg356516.
 
         if not _utest:
             self.CreateConfigHandlers()