You might need to alter what is appeared in StackCP for an individual bundle. For a specific client, for instance.
In any case, you might not have any desire to make changes to the facilitating bundle that will influence everybody on that bundle type.
Here's the way to do that:
1. Go to Manage Hosting and find the bundle that you need to tweak
2. Drift over Options and select Edit
3. Select the text link at the top of the page: Customise the limits
4. You'll be shown the limits being used for that particular package
From here you can alter the limits, only affecting that particular hosting package. This means that you can customise what that individual user has available.