chore(docs): Fix description of "zone" (#710)

Co-authored-by: Imran Nayer <[email protected]>

Author: muffl0n

modules/safer_mysql/README.md

@@ -288,7 +288,7 @@ module "safer-mysql-db" {
 | user\_name | The name of the default user | `string` | `"default"` | no |
 | user\_password | The password for the default user. If not set, a random one will be generated and available in the generated\_user\_password output variable. | `string` | `""` | no |
 | vpc\_network | Existing VPC network to which instances are connected. The networks needs to be configured with https://cloud.google.com/vpc/docs/configure-private-services-access. | `string` | n/a | yes |
-| zone | The zone for the master instance, it should be something like: `a`, `c`. | `string` | `null` | no |
+| zone | The zone for the master instance, it should be something like: `us-central1-a`, `us-east1-c`. | `string` | `null` | no |
 
 ## Outputs
 

modules/safer_mysql/metadata.yaml

@@ -323,7 +323,7 @@ spec:
         varType: string
         required: true
       - name: zone
-        description: "The zone for the master instance, it should be something like: `a`, `c`."
+        description: "The zone for the master instance, it should be something like: `us-central1-a`, `us-east1-c`."
         varType: string
     outputs:
       - name: generated_user_password

modules/safer_mysql/variables.tf

@@ -74,7 +74,7 @@ variable "edition" {
 }
 
 variable "zone" {
-  description = "The zone for the master instance, it should be something like: `a`, `c`."
+  description = "The zone for the master instance, it should be something like: `us-central1-a`, `us-east1-c`."
   type        = string
   default     = null
 }