Fix mismatch port with description

[iporsut]

Description

Port that set in http listener is not the same as description.

Issue reference

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Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• The quickstart code compiles correctly
• You've tested new builds of the quickstart if you changed quickstart code
• You've updated the quickstart's README if necessary
• If you have changed the steps for a quickstart be sure that you have updated the automated validation accordingly. All of our quickstarts have annotations that allow them to be executed automatically as code. For more information see mechanical-markdown. For user guide with examples see Examples.

[msfussell]

LGTM. Could have changed the doc, but the code change is also fine since this is in one place

[iporsut]

I think we should fix at the documentation because port was changed in this commit to make it uniq ea182d5