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@@ -91,7 +91,7 @@ <h3>Hold on&mdash;what is consensus?</h3>
 Consensus is a fundamental problem in fault-tolerant distributed systems.
 Consensus involves multiple servers agreeing on values. Once they reach a
 decision on a value, that decision is final. Typical consensus algorithms make
-progress when any majority of their servers are available; for example, a
+progress when any majority of their servers is available; for example, a
 cluster of 5 servers can continue to operate even if 2 servers fail.
 If more servers fail, they stop making progress (but will never return an
 incorrect result).