use correct parameter name in ArgumentException (#5229)

Author: rosrosros

src/Nest/IndexModules/IndexSettings/Settings/AutoExpandReplicas.cs

@@ -58,7 +58,7 @@ public static AutoExpandReplicas Create(int minReplicas, int maxReplicas)
 				throw new ArgumentException("minReplicas must be greater than or equal to 0", nameof(minReplicas));
 
 			if (maxReplicas < 0)
-				throw new ArgumentException("maxReplicas must be greater than or equal to 0", nameof(minReplicas));
+				throw new ArgumentException("maxReplicas must be greater than or equal to 0", nameof(maxReplicas));
 
 			if (minReplicas > maxReplicas)
 				throw new ArgumentException("minReplicas must be less than or equal to maxReplicas", nameof(minReplicas));