fix typos on https://besu.hyperledger.org/en/stable/Concepts/Consensus-Protocols/Comparing-PoA/ #330
Description
Proof of Authority consensus protocols work when participants know...
S required on work
Four to five validators tolerates one unresponsive validator
Six to eight validators tolerates two unresponsive validators.
both tolerates should be tolerate
For Clique, the probability of a fork increases number as the of validators increases.
should be "For Clique, the probability of a fork increases as the number of validators increases."