Kaunaj Banerjee 88f400af91 Correct some typos (#30981) ...

- 'index' should be 'indexed'
- 'contain' should be 'contains'
- 'heterogenuous' should be 'heterogeneous'

2018-12-07 04:28:06 -05:00

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index.md

Correct some typos (#30981)

2018-12-07 04:28:06 -05:00