Fix typo on example for 'automatic_failover' (#71)

* Fix typo on example for 'automatic_failover'

* Updated README.md
Co-authored-by: actions-bot <58130806+actions-bot@users.noreply.github.com>

README.md

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+# terraform-aws-elasticache-redis [![Latest Release](https://img.shields.io/github/release/cloudposse/terraform-aws-elasticache-redis.svg)](https://github.com/cloudposse/terraform-aws-elastic-beanstalk-environment/releases/latest) [![Slack Community](https://slack.cloudposse.com/badge.svg)](https://slack.cloudposse.com)
 
+[![README Header][readme_header_img]][readme_header_link]
 
+[![Cloud Posse][logo]](https://cpco.io/homepage)
 
+<!--
 
 
 
@@ -27,23 +23,7 @@
 
 
 
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-[![README Header][readme_header_img]][readme_header_link]
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-# terraform-aws-elasticache-redis [![Latest Release](https://img.shields.io/github/release/cloudposse/terraform-aws-elasticache-redis.svg)](https://github.com/cloudposse/terraform-aws-elastic-beanstalk-environment/releases/latest) [![Slack Community](https://slack.cloudposse.com/badge.svg)](https://slack.cloudposse.com)
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+-->
 
 Terraform module to provision an [`ElastiCache`](https://aws.amazon.com/elasticache/) Redis Cluster
 
@@ -130,7 +110,7 @@ For automated tests of the complete example using [bats](https://github.com/bats
     cluster_size               = var.cluster_size
     instance_type              = var.instance_type
     apply_immediately          = true
-    automatic_failover         = false
+    automatic_failover_enabled = false
     engine_version             = var.engine_version
     family                     = var.family
     at_rest_encryption_enabled = var.at_rest_encryption_enabled
@@ -154,8 +134,9 @@ Review the [complete example](examples/simple) to see how to use this module.
 
 
 
+<!-- markdownlint-disable -->
 ## Makefile Targets
-```
+```text
 Available targets:
 
   help                                Help screen
@@ -164,6 +145,7 @@ Available targets:
   lint                                Lint terraform code
 
 ```
+<!-- markdownlint-restore -->
 ## Requirements
 
 | Name | Version |

README.yaml

@@ -89,7 +89,7 @@ usage: |-
       cluster_size               = var.cluster_size
       instance_type              = var.instance_type
       apply_immediately          = true
-      automatic_failover         = false
+      automatic_failover_enabled = false
       engine_version             = var.engine_version
       family                     = var.family
       at_rest_encryption_enabled = var.at_rest_encryption_enabled

docs/targets.md

+<!-- markdownlint-disable -->
 ## Makefile Targets
-```
+```text
 Available targets:
 
   help                                Help screen
@@ -8,3 +9,4 @@ Available targets:
   lint                                Lint terraform code
 
 ```
+<!-- markdownlint-restore -->