It looks like the variables are pulled from the @ tab first and then the Default tab if there are no values set in the @ tab. Even after the value is removed from the @ tab, it still technically has a value of nothing set to it. What I would do is set those values to "Updates all configurations" from the data card. This will make it so that value set is applied to each configuration tab and then your notification will contain the correct data at all times.
Thanks for the reply!
We decided to split our description variable into two variables, file description and configuration description with the file description updating all configurations. Configuration description is only for the configurations.
Not Ideal but it should do the job.