Added additional example to min/max doc
minor #1336 Added additional example to min/max doc (c33s)

This PR was squashed before being merged into the 1.15-dev branch (closes #1336).

Discussion
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Added additional example to min/max doc

* fixed typo in the word "four"
* added an additional example with letters

Commits
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b709577 Added additional example to min/max doc