Trigger Point Injections for Tight Muscle Bands
The term on your note is "trigger point injection." You may also see "trigger points" on their own. Neither comes with a definition attached.
This page defines both, names the source, and keeps the description apart from any prediction. It is written for readers in East Rutherford and the Meadowlands who want the term in plain words before the next visit.
First, the trigger point
Cleveland Clinic defines the root word: "Trigger points are painful “knots” in your muscles that can be very sensitive to touch/pressure." A trigger point is a spot in a muscle, and the report is pointing to a tender one.

Then, the injection
The same source says: "A trigger point injection can help soothe myofascial pain". It goes on to name the areas, the neck, shoulder, arms, legs and lower back. The Cleveland Clinic entry on myofascial pain syndrome covers the condition term that appears in that sentence.
What the term describes
It describes a procedure aimed at tender spots in muscle. It is a label for a method and a target. It carries no measurement of how many spots you have or how sensitive they are.
What it does not predict
The verb is "can help soothe." That is a possible effect, stated in general. It is not a count of visits, a length of relief or a forecast for your muscles. A neat procedure name can make a result sound settled when the definition does not say so.
A neighboring term
Muscle and joint paperwork often lists a different injection nearby. The Cleveland Clinic overview of cortisone shots is a separate entry for that term, and it is worth reading on its own.
The question to carry out
Ask your provider which muscles the note means and what the injection is expected to change there. For a reader in East Rutherford with a note in hand, that one question is more useful than the term itself.