Andrew Stanton-Nurse 0dfa5e0723 updates to hubs document (#9501) ... fixes #9497 as well Some updates that came up as I was writing #9455 but didn't fit there. [Internal Review Link](https://review.docs.microsoft.com/en-us/aspnet/core/signalr/hubs?view=aspnetcore-2.1&branch=pr-en-us-9501)		2018-11-12 15:53:53 -06:00
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sample	updates to hubs document (#9501)	2018-11-12 15:53:53 -06:00