Update articles/backup/backup-azure-data-protection-use-rest-api-create-update-postgresql-policy.md

Co-authored-by: AbhishekMallick01 <[email protected]>

Author: ShawnJackson

articles/backup/backup-azure-data-protection-use-rest-api-create-update-postgresql-policy.md

@@ -59,7 +59,7 @@ The resultant PowerShell object is as follows:
 > [!IMPORTANT]
 > Currently, updating or modifying an existing policy isn't supported. Instead, create a new policy with the required details and assign it to the relevant backup instance.
 
-To create an backup policy, use the following `PUT` operation:
+To create a backup policy, use the following `PUT` operation:
 
 ```http
 PUT https://management.azure.com/Subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DataProtection/backupVaults/{vaultName}/backupPolicies/{policyName}?api-version=2021-01-01