Merge pull request #116741 from cynthn/patch-398

Update image-builder.md

Author: PRMerger17

articles/virtual-machines/linux/image-builder.md

@@ -92,14 +92,14 @@ Image Builder will use the [user-identity](https://docs.microsoft.com/azure/acti
 
 ```bash
 # create user assigned identity for image builder to access the storage account where the script is located
-idenityName=aibBuiUserId$(date +'%s')
-az identity create -g $sigResourceGroup -n $idenityName
+identityName=aibBuiUserId$(date +'%s')
+az identity create -g $sigResourceGroup -n $identityName
 
 # get identity id
-imgBuilderCliId=$(az identity show -g $sigResourceGroup -n $idenityName | grep "clientId" | cut -c16- | tr -d '",')
+imgBuilderCliId=$(az identity show -g $sigResourceGroup -n $identityName | grep "clientId" | cut -c16- | tr -d '",')
 
 # get the user identity URI, needed for the template
-imgBuilderId=/subscriptions/$subscriptionID/resourcegroups/$sigResourceGroup/providers/Microsoft.ManagedIdentity/userAssignedIdentities/$idenityName
+imgBuilderId=/subscriptions/$subscriptionID/resourcegroups/$sigResourceGroup/providers/Microsoft.ManagedIdentity/userAssignedIdentities/$identityName
 
 # this command will download a Azure Role Definition template, and update the template with the parameters specified earlier.
 curl https://raw.githubusercontent.com/danielsollondon/azvmimagebuilder/master/solutions/12_Creating_AIB_Security_Roles/aibRoleImageCreation.json -o aibRoleImageCreation.json
@@ -117,7 +117,7 @@ az role definition create --role-definition ./aibRoleImageCreation.json
 # grant role definition to the user assigned identity
 az role assignment create \
     --assignee $imgBuilderCliId \
-    --role $imageRoleDefName \
+    --role "$imageRoleDefName" \
     --scope /subscriptions/$subscriptionID/resourceGroups/$sigResourceGroup
 ```