fix(docs): Fix document for secure_posture_policy data source

Author: airadier

website/docs/d/secure_posture_policy.md

@@ -6,16 +6,16 @@ description: |-
   Retrieves Posture policy by ID.
 ---
 
-# Data Source: sysdig_secure_posture_policies
+# Data Source: sysdig_secure_posture_policy
 
-Retrieves the information of all Posture policies.
+Retrieves the information of a Posture Policy.
 
 -> **Note:** Sysdig Terraform Provider is under rapid development at this point. If you experience any issue or discrepancy while using it, please make sure you have the latest version. If the issue persists, or you have a Feature Request to support an additional set of resources, please open a [new issue](https://github.com/sysdiglabs/terraform-provider-sysdig/issues/new) in the GitHub repository.
 
 ## Example Usage
 
 ```terraform
-data sysdig_secure_posture_policies policy {
+data sysdig_secure_posture_policiy policy {
   id = "454678"
 }
 ```