README.md in sensu-plugins-aws-2.1.1 vs README.md in sensu-plugins-aws-2.2.0

@@ -28,10 +28,12 @@
 
 **check-ec2-network.rb**
 
 **check-eip-allocation.rb**
 
+**check-elasticache-failover.rb**
+
 **check-elb-certs.rb**
 
 **check-elb-health-fog.rb**
 
 **check-elb-health-sdk.rb**
@@ -100,9 +102,10 @@
 * /bin/check-dynamodb-capacity.rb
 * /bin/check-dynamodb-throttle.rb
 * /bin/check-ebs-snapshots.rb
 * /bin/check-ec2-filter.rb
 * /bin/check-ec2-network.rb
+* /bin/check-elasticache-failover.rb
 * /bin/check-elb-certs.rb
 * /bin/check-elb-health-fog.rb
 * /bin/check-elb-health-sdk.rb
 * /bin/check-elb-health.rb
 * /bin/check-elb-latency.rb