Fixed typos

Author: mhopkins-msft

articles/storage/blobs/storage-blob-rehydration.md

@@ -73,7 +73,7 @@ The following PowerShell script can be used to change the blob tier of an archiv
 $rgName = ""
 $accountName = ""
 $containerName = ""
-$blobName == ""
+$blobName = ""
 
 #Select the storage account and get the context
 $storageAccount =Get-AzStorageAccount -ResourceGroupName $rgName -Name $accountName
@@ -95,8 +95,8 @@ $rgName = ""
 $accountName = ""
 $srcContainerName = ""
 $destContainerName = ""
-$srcBlobName == ""
-$destBlobName == ""
+$srcBlobName = ""
+$destBlobName = ""
 
 #Select the storage account and get the context
 $storageAccount =Get-AzStorageAccount -ResourceGroupName $rgName -Name $accountName