Merge pull request #3594 from dmealo/patch-1

Very minor typo Update to azure.md

docs/tutorials/azure.md

@@ -50,7 +50,7 @@ The following fields are used:
 * `tenantId` (**required**) - run `az account show --query "tenantId"` or by selecting Azure Active Directory in the Azure Portal and checking the _Directory ID_ under Properties.
 * `subscriptionId` (**required**) - run `az account show --query "id"` or by selecting Subscriptions in the Azure Portal.
 * `resourceGroup` (**required**) is the Resource Group created in a previous step that contains the Azure DNS Zone.
-* `aadClientID` and `aaClientSecret` are associated with the Service Principal.  This is only used with Service Principal method documented in the next section.
+* `aadClientID` and `aadClientSecret` are associated with the Service Principal.  This is only used with Service Principal method documented in the next section.
 * `useManagedIdentityExtension` - this is set to `true` if you use either AKS Kubelet Identity or AAD Pod Identities methods documented in the next section.
 * `userAssignedIdentityID` - this contains the client id from the Managed identitty when using the AAD Pod Identities method documented in the next setion.