Jeff Whetstone 54404fd35b Update index.md to fix emphasis of a word (#29192) ...

Fixed "Publish/Subscribe" in "Observer pattern" section. The initial letter "P" was not included in the emphasis markdown.

2019-01-16 08:04:57 -06:00

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index.md

Update index.md to fix emphasis of a word (#29192)

2019-01-16 08:04:57 -06:00