Local Check - specify correct Unit for Graph Metric

Is there a way of only applying the changes to a certain graph?

I created long ago a local check that generated output like this:

0 Apache_CPU value=35 Current CPU Usage (%)
0 Apache_Memory value=1011933184;1073741824;1610612736 Current Memory Usage (bytes)

It works fine but obviously the units are not ok.

My problem is that because of inexperience I named both metrics ‘value’ and I still got 2 different services, so everything “worked”.

But if I change one of these graphs using what you’re describing on this post, I change both… Is there a way of only apply changes by both metric name AND service name?

Otherwise I’ll have to rename each metric and probably lose all my historic data…