Questions in Documents --- "Adding an Org to a channel"

Cindy Qian <cindy.qian@...>

Dear Sir,

I found a small error in the documents.
In the section: Tutorials--->Adding an org to a new channel--->Bring up Org3 components. The instructions are like below:

However, the fabric samples downloaded from the official website show that there is no docker directory in the addOrg3 directory. 

I am a little confused, could you help me fix the problem?

Looking forward to your reply

Cindy Qian

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