fredericksjr bd2b40a75b Change 'or' to 'and'. (#28017) ...

* Change 'or' to 'and'.

* fix abou to about

2019-01-18 17:06:38 -06:00

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index.md

Change 'or' to 'and'. (#28017)

2019-01-18 17:06:38 -06:00