Update backup-azure-database-postgresql-flex-overview.md

Author: rajats22

articles/backup/backup-azure-database-postgresql-flex-overview.md

@@ -51,9 +51,9 @@ For successful backup operations, the vault MSI needs the following permissions:
 
 You incur charges for:
 
-- **Protected instance fee**: Azure Backup for PostgreSQL - Flexible servers charges a *protected instance fee* as per the size of the database. When you configure backup for a PostgreSQL Flexible server, a protected instance is created. Each instance is charged on the basis of its size (in GBs) on a per unit (250 GB) basis . 
+- **Protected instance fee**: Azure Backup for PostgreSQL - Flexible servers charges a *protected instance fee* as per the size of the database. When you configure backup for a PostgreSQL Flexible server, a protected instance is created. Each instance is charged on the basis of its size (in GBs) on a per unit (250 GB) basis. 
 
-- **Backup Storage fee**: Azure Backup for PostgreSQL - Flexible servers store backups in Vault Tier. Restore points stored in the vault-standard tier are charged a separate fees called Backup Storage fee as per the total data stored (in GBs) and redundancy type enable on the Backup Vault. 
+- **Backup Storage fee**: Azure Backup for PostgreSQL - Flexible servers store backups in Vault Tier. Restore points stored in the vault-standard tier are charged a separate fee called Backup Storage fee as per the total data stored (in GBs) and redundancy type enable on the Backup Vault. 
 
 ## Next steps