Fix Az.MachineLearning Syntax Errors (#17648)

Author: v-yuzhichen

src/MachineLearning/MachineLearning/help/Move-AzMlCommitmentAssociation.md

@@ -25,7 +25,7 @@ Moves a commitment association resource from its parent commitment plan to anoth
 
 ### Example 1: Move a commitment association
 ```powershell
-Get-AzMlCommitmentAssociation -ResourceGroupName "MyResourceGroup" -CommitmentPlanName "SourceCommitmentPlanName" -Name "MyCommitmentAssociationName" -DestinationPlanId "/subscriptions/MySubscriptionId/resourceGroups/MyResourceGroup/providers/Microsoft.MachineLearning/commitmentPlans/DestinationCommitmentPlanName"
+Move-AzMlCommitmentAssociation -ResourceGroupName "MyResourceGroup" -CommitmentPlanName "SourceCommitmentPlanName" -Name "MyCommitmentAssociationName" -DestinationPlanId "/subscriptions/MySubscriptionId/resourceGroups/MyResourceGroup/providers/Microsoft.MachineLearning/commitmentPlans/DestinationCommitmentPlanName"
 ```
 
 ## PARAMETERS

src/MachineLearning/MachineLearning/help/Update-AzMlCommitmentPlan.md

@@ -25,7 +25,7 @@ Updates an existing commitment plan resource. Note that most properties of the c
 
 ### Example 1: Update a commitment plan
 ```powershell
-Update-AzMlCommitmentPlan -ResourceGroupName "MyResourceGroup" -Name "MyCommitmentPlanName" -Tags @{'MyTagKey'='MyTagValue'}
+Update-AzMlCommitmentPlan -ResourceGroupName "MyResourceGroup" -Name "MyCommitmentPlanName" -Tag @{'MyTagKey'='MyTagValue'}
 ```
 
 ## PARAMETERS