Update -protocol doc (#6681)

* Update -protocol to have more clear version wording

Co-Authored-By: Judith Malnick <judith.patudith@gmail.com>
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Sarah Christoff 2019-10-29 08:41:28 -05:00 committed by GitHub
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@ -399,9 +399,9 @@ The options below are all specified on the command-line.
path for the agent to store its PID. This is useful for sending signals (for example, `SIGINT`
to close the agent or `SIGHUP` to update check definite
* <a name="_protocol"></a><a href="#_protocol">`-protocol`</a> - The Consul protocol version to
use. This defaults to the latest version. This should be set only when [upgrading](/docs/upgrading.html).
You can view the protocol versions supported by Consul by running `consul -v`.
* <a name="_protocol"></a><a href="#_protocol">`-protocol`</a> - The Consul protocol version to use. Consul agents speak protocol 2 by default,
however agents will automatically use protocol >2 when speaking to compatible agents. This should be set only when
[upgrading](/docs/upgrading.html). You can view the protocol versions supported by Consul by running `consul -v`.
* <a name="_raft_protocol"></a><a href="#_raft_protocol">`-raft-protocol`</a> - This controls the internal
version of the Raft consensus protocol used for server communications. This must be set to 3 in order to