Fix Az.Mariadb Syntax Errors (#17638)

Author: CaptainFanZzz

src/MariaDb/help/Restore-AzMariaDbServer.md

@@ -25,7 +25,7 @@ Restore a MariaDB from a existing MariaDB.
 
 ### Example 1: Restore a PointInTime MariaDB by server name.
 ```powershell
-Restore-AzMariaDbServer -Name restore-db01 -ServerName mariadb-test-usegeo -ResourceGroupName mariadb-test-4rih5z -UsePointInTimeRestore -RestorePointInTime $(Get-Date) -Location eastus
+Restore-AzMariaDbServer -Name restore-db01 -ServerName mariadb-test-usegeo -ResourceGroupName mariadb-test-4rih5z -RestorePointInTime $(Get-Date) -Location eastus
 ```
 
 ```output
@@ -39,7 +39,7 @@ This command restore a PointInTime MariaDB by server name.
 ### Example 2: Restore a PointInTime MariaDB by server object
 ```powershell
 $db = Get-AzMariaDbServer -Name mariadb-test-usegeo -ResourceGroupName mariadb-test-4rih5z
-Restore-AzMariaDbServer -Name restore-db02 -InputObject $db -UsePointInTimeRestore -RestorePointInTime $(Get-Date) -Location eastus
+Restore-AzMariaDbServer -Name restore-db02 -InputObject $db -RestorePointInTime $(Get-Date) -Location eastus
 ```
 
 ```output

src/MariaDb/help/Update-AzMariaDbFirewallRule.md

@@ -73,7 +73,7 @@ The cmdlet updates MariaDB Firewall Rule by identity.
 ### Example 3: Update MariaDB Firewall Rule by -ClientIPAddress.
 ```powershell
 $ID = "/subscriptions/<SubscriptionId>/resourceGroups/mariadb-test-qu5ov0/providers/Microsoft.DBforMariaDB/servers/mariadb-test-4rmtig/firewallRules/fr-cfgl3y"
-Update-AzMariaDbFirewallRule -InputObject $ID --ClientIPAddress 0.0.0.2
+Update-AzMariaDbFirewallRule -InputObject $ID -ClientIPAddress 0.0.0.2
 ```
 
 ```output