Typo (#487)

Signed-off-by: Tim Beiko <[email protected]>

Co-authored-by: Nicolas MASSART <[email protected]>

Author: timbeiko

docs/Concepts/Consensus-Protocols/Comparing-PoA.md

@@ -67,6 +67,6 @@ operating in adversarial environments.
 ### Speed
 
 Reaching consensus and adding blocks is faster in Clique networks. For Clique, the probability of a
-fork increases number as the of validators increases.
+fork increases as the number of validators increases.
 
 For IBFT 2.0, the time to add new blocks increases as the number of validators increases.