If I search for something in Gnome Control Center's shell and a match is found in the description of one of the sections, the matching substring is shown below the section's name. It looks something like this:

Displays
…- Change resolution and po…

The problem here is the section's description is never actually shown in full — it is only shown in parts like the above via search results. Therefore, the heavily ellipsised text is completely foreign to the user and it is unlikely to communicate anything useful.