doc: specify that `N` should be an odd number

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Victory Osikwemhe 2023-01-04 08:04:23 +01:00 committed by GitHub
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@ -42,7 +42,7 @@ from the failure of a manager node without downtime.
* A three-manager swarm tolerates a maximum loss of one manager.
* A five-manager swarm tolerates a maximum simultaneous loss of two
manager nodes.
* An `N` manager cluster tolerates the loss of at most
* An `N` (`N` is an odd number of manager nodes in the cluster) manager cluster tolerates the loss of at most
`(N-1)/2` managers.
* Docker recommends a maximum of seven manager nodes for a swarm.