grammer check: though should be through

grammer check: though should be through

Author: jontreynes

articles/terraform/terraform-backend.md

@@ -97,7 +97,7 @@ Now, initialize the configuration with *Terraform init* and then run the configu
 
 When using an Azure Storage Blob for state storage, the blob is automatically locked before any operation that writes state. This configuration prevents multiple concurrent state operations, which can cause corruption. For more information, see [State Locking][terraform-state-lock] on the Terraform documentation.
 
-The lock can be seen when examining the blob though the Azure portal or other Azure management tooling.
+The lock can be seen when examining the blob through the Azure portal or other Azure management tooling.
 
 ![Azure blob with lock](media/terraform-backend/lock.png)