[docs] [issue30208] Small typos in IDLE doc

[Cheryl Sabella]

Cheryl Sabella added the comment:

For this "Please check IDLE component also for IDLE doc issues.", I see the same text as the doc page in idlelib/help/html.  Is that the one you want me to change or is that created automatically by Sphinx?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30208>
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