fix typos

Author: SweetOps

README.md

@@ -56,7 +56,7 @@ module "kafka_instance" {
 This module depends on these modules:
 
 * [terraform-null-label](https://github.com/cloudposse/terraform-null-label)
-* [terraform-template-User Data-github-authorized-keys](https://github.com/cloudposse/terraform-template-user-data-github-authorized-keys)
+* [terraform-template-user-data-github-authorized-keys](https://github.com/cloudposse/terraform-template-user-data-github-authorized-keys)
 
 It is necessary to run `terraform get` to download those modules.
 
@@ -112,7 +112,7 @@ resource "aws_ami_from_instance" "example" {
 | `statistic_level`               |                   `Maximum`                    | Statistic to apply to the alarm's associated metric                                                                          |    No    |
 | `metric_threshold`              |                      `1`                       | Value against which the specified statistic is compared                                                                      |    No    |
 | `default_alarm_action`          | `action/actions/AWS_EC2.InstanceId.Reboot/1.0` | String of action to execute when this alarm transitions into an ALARM state                                                  |    No    |
-| `user_data`                     |                      `[]`                      | `User Data` which be concated with `terraform-template-User Data-github-authorized-keys`. Conflicts with  `custom_user_data` |    No    |
+| `user_data`                     |                      `[]`                      | `User Data` which be concated with `terraform-template-user-data-github-authorized-keys`. Conflicts with  `custom_user_data` |    No    |
 | `custom_user_data`              |                      `[]`                      | Specific `User Data`, for example pfsense `AMI` doesn't support classic `User Data`. Conflicts with  `user_data`             |    No    |
 
 

user_data.tf

@@ -1,5 +1,5 @@
 data "template_file" "user_data" {
-  count    = "${local.instance_count && length(var.custom_user_data) == 0 ? 1 : 0}"
+  count    = "${local.instance_count == 0 && length(var.custom_user_data) == 0 ? 1 : 0}"
   template = "${file("${path.module}/user-data/user_data.sh")}"
 
   vars {