[docs] [issue30208] Small typos in IDLE doc

[Terry J. Reedy]

Terry J. Reedy added the comment:


New changeset 4734c2d5c0529632e4b51eb75104b50955afd692 by terryjreedy (csabella) in branch '2.7':
[2.7] bpo-30208: DOC: fix small typos in IDLE (#1358)
https://github.com/python/cpython/commit/4734c2d5c0529632e4b51eb75104b50955afd692


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<http://bugs.python.org/issue30208>
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